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CONTENTS OF VOLUME XXXII

Bulletin No. Plates Pages
129. Brevicones from the New York Silurian

by Rousseaur He Mlower= a2 =. as eee 1-2 1-14
130. Crinoid Studies. Parts I-II

By Marrell, Lb: astrimples 02 8 ee 3-4 15-30
131. Eocene and Oligocene Foraminifera from Little

Stave Creek, Clarke County, Alabama

By Orville: Lin Bandy22 2 285 28 2 ees 5-31 31-210
132. Holotype of Mytilarca (Plethomytilus) knappi

Hall with a note on Ezra Babcock Knapp

By burnett omithees e252. 2 ees fee 32 Z 11-250
133. Crinoid Studies. Parts ITI-VIT

By. Harrell. -Strimples +. 2. 2 = 49) 2 33-39 251-292

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BULLETINS
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40

OF

AMERICAN

PALEONTOLOGY

VOL. XXXII

NUMBER I29

\

1948

Paleontological Research Institution

Ithaca, New York, U. S; A.

Vol. 32

No. 129

BREVICONES FROM THE NEW YORK SILURIAN
By

RoussEAU H. FLOWER

New York State Museum

July 22, 1948

Paleontological Research Institution

ItHaca, NEw YORK

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BREVICONES FROM THE NEW YORK SILURIAN
By
Rousseau H. FLower
New York State Museum

Except for the remarkable cephalopod association of the Shel-
by beds (Clarke and Ruedemann, 1903), cephalopods in the
Silurian of New York are rare and often not well enough pre-
served for description, The Medinan contains orthoceracones
of uncertain structure and taxonomic position and Oncoceras
gibbosum Hall (1851), a species which Foerste (1928, p. 229)
referred with doubt to Gomphoceras. There still remains much
uncertainty as to the affinities of this species which in form lies
between the compressed Ordovician Oncoceratidee and the de-
pressed brevicones of tne Silurian typified by Amphicyrtoceras.

The previously described Clinton cephalopods were listed by
the writer and new ones were described (Flower, 1942). To
these are added the new species Mandaloceras chacee and
Gomphoceras jewetti. In the overlying Lockport and Guelph
occur the two Shelby horizons with a rich cephalopod assem-
blage. The overlying shales of the Salina have yielded few
good specimens. A crushed brevicone from the Pittsford shale
was referred by Ruedemann (1916) to Septameroceras Hyatt,
a genus which Foerste (1930, p. 381) discovered to be synony-
mous with Hexameroceras, the median seventh lobe of the
aperture being adventitious. The Bertie has vielded among the
orthoceracones Orthoceras vicinus Kuedemann and Dawsono-
ceras oconelle Ruedemann and several additional orthoceracones
which are as yet unnamed. The Bertie 1s rich in brevicones,
having supplied Pristeroceras timidium Ruedemann, Phragmo-
cerina oscula (Ruedemann), Gomphoceras ruedemanni Foreste,
and Phraymoceras accola Ruedemann.

A considerable assemblage occurs in the Cobleskill, but
preservation is generally* poor, and the cephalopod fauna has
not been adequately described. Othoceracones are present, among
them representatives of Ormoceras and Armenoceras. Best
known of the Cobleskill forms are the striking trochoceroids,
Mitroceras gebhardi (Hall) and Foersteoceras turbinatwm

4 BULLETIN 1209 4

(Hall). Among the brevicones Phragmoceras corallophilum
Clarke, redescribed in the present paper, proves to be a Tetra-
meroceras, the second species of the genus to be encountered
in the American Silurian. Other brevicones are Cayugoceras
mianni Flower (1947) and the form described below as Hexa-
meroceras bollmane.

The Manlius fauna is virtually undescribed. Here are repre-
sentatives of Ormoceras, fragmentary and poorly preserved, none
ot which are described as .yet. Oncoceras ovoides Hall, a
species of uncertain generic position but possibly allied to
Cayugoceras, and Herkimeroceras subrectum helong here. To
these are added the new species Phragmocerina litchfieldensis.

Three of the species described here are hased upon material
from the collections of Cornell University. For opportunities
to study and describe this material | am indebted to Prof. W.
S. Cole. Other material is from the New York State Museum.
Acknowledgment should also be made to the New York State
Museum jor defraying the cost of the plates.

Mandaloceras chasexw Flower, n. sp. Platevily figs. bs.6
The holotype is slightly flattened by pressure, a straight brevi-
conic shell 57 mm. long, expanding from 11 mm. and 9 mm. at
the base, to 31 mm. and 22 mm. in the 33 mm. of the phragmo-
cone, and contracting to a height of 17 mm. at the aperture which
is so crushed that the width is negligible. In profile the dorsum
and venter are essentially straight and diverging basally, the dor-
sum more strongly curved than the venter over the gibbous por-
tion, the dorsal margin slightly convex to aperture, ventral pro-
file becoming straight and then faintly concave. The aperture,
though distorted, shows clearly the long hyponomic sinus and
the presence of a single pair of lateral sinuses. The margin of
the aperture is faintly produced. Surface markings consist of
fine transverse rugose markings which reflect the course of a
hyponomic sinus from the earliest growth stage. The siphuncle
lies close to the venter; its structure has not been observed.
Discussion.—Three specimens in the Jewett Collection of Cor-
nell University, No. 7075, bear the label “Oncoceras subrectum,
Clinton group, Lockport. Very rare, type of Hall. E. J.” These
specimens consist of one small unidentifiable fragment of a
small very obese brevicone, and two slightly flattened but rela-

5 SILURIAN BREVICONES: FLOWER 5

tively complete shells. Removal of the chert which surrounded
the apertures disclosed that one represents the genus A/andalo-
ceras while the other is a true Gomphoceras. In spite of Jew-
ett’s label, these specimens are obviously not the original of
Oncoceras subrectum Hall, for the illustration accompanying the
description shows a conch represented only by a septate phrag-
mocone which is considerably larger than that of any of the three
specimens available for study. At the present time I have been
unable to locate the type of Oncoceras subrectum. It is not in
the obvious repositories, the New York State Museum, the Amer-
ican Museum of Natural History, the University of Chicago, or
the University of California. 1 am indebted to the late Dr. Bruce
L. Clark and to Dr. J. M. Weller for assistance in the search for
the type of Oncoceras subrectum. This species is of uncertain
generic affinities, representing a phragmocone which could be-
long to several of the various breviconic genera known in the
Silurian.

The two most nearly complete of the Cornell University speci-
mens include the type of Mandaloceras chasee and that of Gom-
phoceras jewetti. M. chasee@ is distinctive among its congeners
in the subconical rather than dome-shaped living chamber, the
unusual length of the hyponomic sinus, and the small size of the
shell.

Type.—Holotype, Cornell University Collection, No. 7025.

Occurrence.—-Limestone of the Clinton (Irondequoit lime-
stone, fide C. A. Hartnagle), Lockport, N. Y.

Gomphoceras jewetti Flower, n. sp. Plate 1, figs. 1-3

The type is a slightly smaller individual than the preceding
species, displaying a very different aspect partly because flatten-
ing has been nearly vertical instead of lateral. This shell ex-
pands from g mm. and 11 mm, to 22 mm, and 28 mm. in the
25 mm. of the phragmocone. The living chamber has a length
of 29 mm. forming a high dome, in which the features of the
aperture are not at once obvious. The hyponomic sinus can be
seen on the left of the center of the oblique ventral surface (PI.
1, fig. 1), where the narrow middle portion is practically closed.
We have been unable to see any trace of lateral sinuses. The
evidenee indicates that the main part of the aperture was pyri-
form and typical of the Gomphoceras.

6 BULLETIN 129 6

Discussion.—This form, found in association with Mandalo-
ceras chace@, was at first believed to belong to the same species.
The living chamber is very different in shape, being not only
higher, but domelike rather than subconical, the sides curving
much more strongly as they approach the aperture. The hypono-
mic sinus is clearly much shorter, and the shell margins show
no trace of outward curvature along it. The main part of the
aperture, though not plainly preserved, is obviously without the
two long sinuses of a Mandaloceras but is instead small and
round.

Type.—Cornell University Collection, No. 38961.

Occurrence.—Cherty limestone of the Clinton (Irondequoit
limestone), Lockport, N. Y.

Tetrameroceras corallophilum (Clarke) Pilate dessins 4 OPE 2 eet onus
Phragmoceras? Hall, 1851, Paleontology of New York, vol, 2, p, 351
(45), pl. 76, fig. 3a-b.
Phragmoceras corallophilum Clarke, 1893, New York State Geologist,
12th Ann. Rep: (for 1892); ps 90}

The two types by which this species is represented are both
laterally crushed individuals, representing a large-sized phragmo-
ceroid. The first of these, the original of Hall’s figure 3a, re-
tains a considerable part of the phragmocone, but the dorsal
portion of the living chamber is missing. The second specimen,
however, retains the complete aperture and shows that this
species has the apertural characteristics of a Tetrameroceras.
This specimen I select as the holotype in order that no question
as to generic position of the species may arise.

The base of the phragmocone is obscure in the holotype, but
the ventral profile is evidently concave adapically, becoming
slightly convex over the adoral part of the phragmocone, a condi-
tion which persists to the aperture where the curve is interrupted
by the protruding hyponomic sinus. The dorsum is more strong-
ly and apparently uniformly convex throughout. The living
chamber in its present condition has a basal height of 72 mm., a
maximum length of 70 mm. The ventral profile is convex for
40 mm., where the protruding hyponomic sinus begins. This ex-
tends obliquely outward with an aperture 15 mm. high. The
aperture is slitlike for 48 mm. where it joins the main part of

e

Gj SILURIAN BrEvICONES: FLOWER 7)

the aperture which develops two long sinuses on each side, the
dorsal one long and straight, the ventral one shorter and curved
with the convexity directed dorsad. The living chamber is 72
mm. high at mid-length, 69 mm. high at the aperture. The plane
of the aperture is inclined about 30 degrees to the plane of
the suture,

The sutures are essentially transverse, developing slight later-
al lobes. The type Shows three adoral camere, very faint, which
are gerontically shortened ; normal camere are of moderate depth,

The paratype displays the form of the early part of the shell
better than does the holotype, and the spacing of the camere
can be clearly seen. It fails, however, to show more than the
ventral half of the aperture, leaving doubt as to the true generic
position of the species. The proportions of the two specimens
are quite similar.

Types—Lectoholotype and pagype, New York State Mu-
seum.

Occurrence.—Cobleskill limestone, Schoharie, N. Y.
Hexameroceras bollmanz Flower, n. sp. Plate 2, figs. 5-7
Conch strongly curved adapically, less curved and_ strongly

gibbous on mature portion. Sutures subparallel. The phrag-
mocone increases from 20 mm. and 28 mm. to 41 mm. and
33 mm.; ventral length 16 mm.; dorsal length 22 mm. Living
chamber with height of 34 mm. attaining 45 mm. and 35 mm.
at gibbous region. The ventral profile is strongly and nearly un1-
formly convex throughout; dorsal profile faintly concave adap-
ically, nearly straight, and then slightly convex over the mid-
dle of living chamber. The aperture bears a long narrow ven-
tral sinus, 28 mm. long, which is not so produced as is normal
in the genus, and does not extend out over the ventral profile.
The main part of the aperture is unfortunately obscure. A curti-
ous feature is an elevation of the internal mold on the mid-
dorsal region, faintly and deceptively suggestive of the type of
aperture for which the genus Septameroceras was erected. This
is believed to be a feature connected with the slight distortion to
which the adoral end of the living chamber has been subjected.

The eight normal camerz increase in depth from 2 mm, to 4

8 BULLETIN 129 8

nim., and are followed on the type by a gerontic faint crenulated
zone representing one or two more incipient septa.

Discussion.—In form this species is perhaps closest to Hexa-
meroceras cf. hertzert Foerste (1930, pl. 22, fig. 3a) but differs
in a slightly larger size, sutures which are more closely spaced
and essentially parallel, instead of sloping increasingly orad on
the venter in adoral camere.

Type-—New York State Museum, No. 10518.

Occurrence.—Cobleskill limestone, Stafford, N. Y. .

Genus PHRAGMOCERINA Flower, n. gen.

Genotype.—Gomphoceras osculum Ruaedemann

This genus is erected for the reception of two Upper Silurian
species which differ from both Phragmoceras and Gomphoceras
to such an extent that the wisest course seems to be to place
them in a genus by themselves. The shells are endogastric
and moderately (in contrast to strongly) compressed. The api-
cal part of the shell is faintly curved, the adoral part of the
phragmocone and the mature living chamber become nearly
straight. The ventral profile becomes convex over the greater
part of the length of the living chamber, so that the shell con-
tracts toward the aperture, but the hyponomic sinus is projected
beyond the ventral profile in a short spoutlike production of the
shell. The living chamber is abnormally straight for Phragmo-
ceras, the apertural plane being essentially parallel to the last
septum. Further, the adoral septa are subparallel, and not strong-
ly oblique, as is typical of true Phragmoceras owing to the great-
er curvature of the shell. The aperture consists of a rounded
faintly transverse main aperture on the dorsal side of the shell,
modified by a long narrow hyponomic sinus which is slightly 1n-
flated at its tip.

Discussion.—While Phragmoceras, exhibits considerable diver-
sity of form, the species here set apart in Phragmocerina are
clearly distinct in the relatively straight form of the anterior
part of the shell, the inflation of the middle of the living cham-
ber, its adoral contraction, and the ventral spoutlike projection
of the hyponomic sinus. The known species of Phragmocerina
are relatively small in comparison with typical Phragmoceras,
and while the siphuncle is not known, it is evidently small and,

9 SILURIAN BreEvIcoNES: FLOWER 9

by all analogy, relatively simple.

The compression of the cross section is relatively slight, and
tne development of lateral lobes of the sutures is essentially vesti-
gial. The straightness of the anterior part of the shell is ex-
pressed by the subparallel condition of the anterior septa; in
Fhragmoceras they diverge from venter to dorsum, Likewise
the shell in profile shows the sutures to be parallel to the
straight anterior surface marking the long narrow hyponomie
sinus. Species of Phraymoceras which approach Phragmocerina
in these respects, show living chambers which expand uniformly
tc a point near the mature aperture. Here expansion may be in-
creased, so that the diverging sides become concave in profile,
but these do not follow regions, as in Phragmocerina, in which
the profiles are convex, and when such expansion does occur
it is normally more accentuated on the dorsum than on the ven-
oie

Typical Gomphoceras has a pyriform or domelike living cham-
ber contracting over the adoral end of the shell, and there is
never any marked prolongation of the hyponomic sinus or a
spoutlike production of the ventral wall of the conch to accomo-
date it.

The genus is erected for the reception of two Upper Silurian
species, the genotype and Phragmocerina litchfieldensis, described
below.

Phragmocerina litchfieldensis Flower, n. sp. Plate 2, figs. 1-3

The type and only known specimen consists of a living cham-
ber and three attached camere. The dorsum is largely missing.
The shell is essentially straight, the sutures and the plane of the
aperture being subparallel. Cross section at the base subcuneate,
the venter narrow and subangular, the dorsum more broadly
rounded. The septum is shallow, the siphuncle indicated by a
small pit close to the ventral wall of the shell. The three camerz
which increase slightly adorally in depth occupy a length of
6 mm. The sides in lateral profile diverge to a point orad of the
middle of the living chamber, so that 19 mm. beyond the base of
the specimen a width of 19 mm. is reached, From there
the sides converge, arching toward the narrow aperture. The
living chamber has a basal width of 18 mm., an estimated
height of 20 mm. At its most gibbous portion the width is 19

IO BULLETIN 129 10

mm., the estimated height 22 mm. The living chamber is 20
mm. long. The ventral profile is nearly straight below, becoming
convex over the middle of the living chamber, the curvature
being abruptly reversed adorally to form a‘ short spoutlike pro-
cess for the reception of the long hyponomic sinus, which pro-
jects conspicuously beyond the otherwise smooth ‘shell outline,
though it does not extend outward beyond the convexity of
the venter, as in P. oscula. The apertural profile, only slightly
inclined to the plane of the septum, carries at one end the small
rounded hyponomic sinus, connected by a narrow slit with the
main part of the aperture, an oval 5 mm. long and 3 mm. wide.

Discussion.—This_ species is the only phragmoceroid shell
thus far known from the Manlius limestone, Its strong similarity
with Phragmocerina oscula (Ruedemann) is shown by the strik-
ing similarity in form. It differs in that the aperture is more
strongly closed, the hyponomic sinus is less strongly produced
cver the ventral profile. The species differ further in minor fea-
tures of proportion, among the most significant of which are the
larger size of P. litchfieldensis and the more marked domelike
contraction of the lateral walls of the shell over the adoral part of
the living chamber.

Holotype.—Cornell University Collection, No. - 7974.

Occurrence.—Manlius limestone, Litchfield, Herkimer County,
New York.

REFERENCES
Clarke, J. M., and Ruedemann, R.
1903, Guelph fauna in the State of New York. New York State
Mus., Mem, 5, 195 pp., 21 pls.
Flower, R. H.
1942, Cephalopods from the Clinton group of New York. Bull, Amer.
Paleont.,, vol. 27, No. 105, 30 pp:, 2 pls.
1943, Studies of Paleozoic Nautiloidea, VI. Some Silurian cyrtoconic
cephalopods from Indiana, with notes on stratigraphic problems,
Bull, Amer. Paleont., vol. 28, No. 109, pp. 83-101, pls. 1-5 (pars).
1946. Cayugoceras, an Upper Silurian cephalopod. Amer, Mid, Nat..
vol. 37, pp. 250-255, 1 pl.
Hall, J.
1851. Paleontology of New York, vol. 2, 362 pp., 85 pls.
Hyatt, A.
1900. Cephalopoda, Zittel-Eastmann Textbook of Paleontology, vol.
1, pp. 502-592.

II SILURIAN BREVICONES: FLOWER II

Ruedemann, R.
1916, Paleontologic contributions from the New York State Mu-
seum. New York State Mus., Bull. 189, 225 pp., 36 pls.
1920. A recurrent Pittsford (Satina) fauna, New York State Mus.,
Bull, 219-220, pp. 205-222, pls. 1-3.
1925. Some Silurian (Ontarian) faunas of New York. New York
State Mus., Bull. 265, 135 pp., 24 pls.

PLATES
PLATE tr (1)

12 BULLETIN 129 12

EXPLANATION OF PLATE 1 (1)

Figure Page

1-3. Gompheceras jewetti Flower, n. sp. Luk desl Ba od ease ee ees 5
Holotype, Cornell University, No. 38961, ><1 (1) Oblique ven-

tral view; mid-ventral region to left of center, (2) Side

yiew (3) Reverse view. Irondequoit limestone, Lockport, N,

AY;

4. Tetrameroceras corallophilum (Clarke) ..
Lectotype, N. Y. State Museum, No. 12460/2, Lateral aspect,
>< 1. Cobleskill limestone, Schoharie, N, Y.
5-6. Mandaloceras chacee Flower, n. sp. pd ta eee 4
Holotype, Cornell University, No. 7025, 1. (5) Ventral view.
(6) Lateral view, venter on left, Irondequoit limestone,
Lockport, N. Y.

Pu. 1, Vou. 32 Buu. AMER. PALEONT. No. 129, Pu. 1

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14 BULLETIN 129 14

EXPLANATION OF PLATE 2 (2)

Figure Page
1-3. Phragmocerina litchfieldensis Flower, n. sp.
Holotype, Cornell University, No. 7974, (1) Ventral view.
(2) Lateral view. (3) Adoral view. Manlius limestone,
Litchfield, Herkimer County, N. Y.

4. Tetrameroceras corallophilum (Clarke) ©
Paratype, N. Y. State Museum, No, 12460/1. Lateral view, X1.

Cobleskill limestone, Schoharie, N, Y. ;

5-7. Hexameroceras bollmane Flower, n. sp. 7
Holotype, N. Y. State Museum. (5) Adoral view. (6)
Lateral view, venter on right. (7) No, 10,518. Ventral view.

Cobleskill limestone, Stafford, N. Y.

PL. 2, VOL. 32 Buu. AMER. PALEONT. No. 129, PL. 2

BULLETINS
| GG 10 1948 on

CIRRARY

AMERICAN

PALEONTOLOGY

VOU: KXXKH

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Paleontological Research Institution

Ithaca, New York, U. S. A.

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OF

AMERICAN PALEONTOLOGY

Vol. 32

No. 130

CRINOID STRIDES
PART I. TWO NEW SPECIES OF ALLAGECRINUS
FROM THE PENNSYLVANIAN OF: KANSAS AND
TEXAS
PART Ik APOGRAPHIOCRINUS FROM THE
ALTAMONT LIMESTONE OF OKLAHOMA

By

HARRELL L. STRIMPLE

July 28, 1948

Paleontological Research Institution
Ithaca, New York

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CRINOID STUDIES
PART TL

Two New SPECIES OF ALLAGECRINUS FROM THE
PENNSYLVANIAN OF KANSAS AND TEXAS

By

HARRELL L. STRIMPLE

ABSTRACT

Description of two new species of A?lagecrinus, trom the Stull shale
ec Ixensas and tue Browawoodl shale of Texas, increases the geologic and
stratigraphic range of tese forms. Material studied vonsisted of 32
dorsal eups and erowns coilected by Allen Graffham fiom near Melvern,
Kansas, and four dorsal cups, together with ten free brachials collected
by Wm. T. Watkins and Frank Crane from Kyle Mountain near Palo
Pinto, Texas,

INTRODUCTION

The purpose of this paper is to record two interesting new
species of Allagecrinus. A remarkable series of dorsal cups and
crowns, found by Mr. Allen Graffham of the University of Ne-
braska in the Stull shale near Melvern, Kansas, is described in
his honor as lllagecrinus graffhanmui, n. sp. The presence of //-
lagecrinus in the Pennsylvanian of Texas was disclosed on a
field trip made during the summer of 1947 by Wm. T. Watkins
of San Antonio, Texas, and Mr. Frank Crane of Fort Worth,
Texas. Four dorsal cups were found in the Brownwood shale
at a small exposure north of Palo Pinto, Texas, near the south-
eastern extremity of Kyle Mountain and is described as Allage-
crinus kylensis, n. sp.

SY oLEMATIC: DESCRIEM IONS

Allagecrinus graffhami, n. sp. Plate 1, figs: 1-11

Description-—Crown slender and elongate; dorsal cup mildly
lobate with rather erect lateral sides in maturity. Three unequal
BB comprise the basal circlet, which is readily visible in side
view of cup. Five unequal BB form most of the dorsal cup; 1.
post. B is the largest and carries as many as four arms in ma-
turity; ant. R and r, ant. R normally carry three arms in full
development; r. post. R and 1. ant. R each carry only one arm
which is normally slightly larger than the other arms. In ma-

4 . BULLETIN 130 18

turity the left shoulder of r. post. R is sharply lowered and sup-
ports a brachial-like anal plate.

Arms are slender and elongate, composed of a short primi-
brach followed by elongate brachials. A third primibrach is
present even in the youngest observed crown. As many as 12
arms have been noted.

In proximal portion the column is composed of rapidly taper-
ing, wafer thin columnals which terminate in a beadlike ossicle,
thereafter having the construction of a normal, slow tapering,
inadunate column, with rather elongate columnals.

The entire surface of the crown is strongly granular appear-

ing.

Measurements.—
Holotype Paratype

Length of crown *I0.2 mm. -—
Width of dorsal cup 3.1 mm, 4.0 mm.
Height of dorsal cup 2.0 mm. 2.4 mm.

Remarks.—This species is very close to Allagecrinus basslert
Strimple (1938). The later species has a lower calyx, produces
more arms, and the singie rays of r. post. and |. ant. are pro-
portionately more robust. The small crown of Allagecrinus graff-
hami is of considerable interest because it is one of the young-
est complete specimens of the genus to come to the attention of
this writer. Comparison with paratypes of comparable size dis-
closes the presence of the oral circlet at this stage of develop-
ment. In the young form there is no appreciable difference in
the size of the five arms preserved,

T ypes.—Holotype and figured paratypes to be deposited in the
U. S. National Museum.

Occurrence.—Stull shale formation, Shawnee group, Virgil
series, Pennsylvanian; near Melvern, Kansas. ;
Allagecrinus kylensis, n. sp. Plate 1, figs. 12-20

Description.—Dorsal cup low, strongly lobate. BB circlet very
low, not visible in side view of cup. Five unequal RR comprise
the entire height of dorsal cup; 1. post. R very prominent and
wide; 1, ant. R smaller than other RR; r. post. R is protruded

*Entire length of arms not preserved.

19 Crinoip Stupres. Part I: STRIMPLE 5

and at middle age is the most prominent element due to the
presence of the extra facet for the anal plate. Maximum number
of arm facets is ten as shown by the holotype. Body cavity is al-
most spherical except for the parabolic notch.

Arms are only known from numerous associated free ossicles,
which are probably of the r. post. and |. ant. rays. At a stage of
development where the arms apparently consisted of a short
first primibrach and an elongate second primibrach, the latter
element is very distinctive appearing. The base is narrow and
thin, both thickening and widening takes place as the midportion
is reached, and termination is rather abrupt.

The entire surface of the crown is granular appearing, and in
mature specimens a few small pustule-lke knobs are formed on

the RR.

Measurements.—

Holotype Paratype
Height of dorsal cup 5.5 mm. 5-0 mm.
Heigth of dorsal cup 2.5 mm. 2.1 ‘mm.

Types.—Holotype and figured paratype to be deposited in the
U. S. National Museum.

Occurrence.—Brownwood shale, Grayford formation, Canyon
group (Missouri series) Pennsylvanian; north of Palo Pinto,
Texas, near the southeastern extremity of Kyle Mountain.

Remarks.—This species is comparable in size to Allagecrinus
bassleri Strimple but is more strongly lobed and does not pro-
duce so many arms. 4. constellatus Moore is the only described
species which closely resembles 4. kylensis and the former has
pear-shaped RR in medium-sized specimens.

REFERENCES
Meore, Raymond C.
1940, Relationships of the family Aliagecrinide with description of
new species from Pennsylvanian rocks of Oklahoma and Mis-
souri. Denison Univ. Bull., Jour, Sei. Lab., vol, 35, pp. 55-137,

pls. 2, 3.

Strimple, Harrell L.
1938. A group of crinoids from the Pennsylvanian. of northeastern
Oklahoma, Private publ., Bartlesville, Oklahoma, pp. 1-10,

7)

jo Sn e

6 BULLETIN 130 Pee 2)

PART LE

APOGRAPHIOCRINUS FRom THE ALTAMONT LIMESTONE
OF OKLAHOMA
ABSTRACT

A remarkable group of ornamented apographiocrinids are presented

from the Altamont limestone, Des Moines cores of northeastern Okla-
homa. Four new species are proposed, The foims are quite different from
the ornamented Apographiocrinus species described by Moore end Plum-
mer from the Missouri series of Texas.

INTRODUCTION

A remarkable assemblage of crinoids is present in the Alta-
mont limestone of northeastern Oklahoma. Many specimens have
been found by Bob Stevens, L. Rk. Laudon, Raymond C. Moore,
Arthur Bowsher, and others. Laudon (1937) identified a large
specimen as .linphicrinus carbonarius Springer. Special mention
of the fauna was made by Moore and Plummer (1940), and
Moore has described several species from the formation, i.e.,
Allagecrinus constellatus Moore (1940), slllayecrinus Cignatus
Moore (1940), and Galateacrinus stevensi Moore (1939). Meta-
cillocrinus bulbosus Moore and Strimple (1942) is another pe-
culiar form from the horizon.

The author and his wife, Melba Strimple, have collected 25
specimens belonging to the unique genus -/poygraphiocrinus. All
are limited to dorsal cups, or partial cups, and no two are iden-
tical in every respect. This indicates a plastic condition prob-
ably brought about by a rapidly changing environment. All speci-
mens have three things in common,—there is a small round
stem; ornamentation is present either mildly or decisively ; and
there is a scarlike development below the articular facets which
is considerably different from the normal appearance of the ra-
dials. This peculiar development is common among the describe
species from the Missouri series of Texas (see Moore and Plum-
mer (1940) ) but is not so prevalent in the Missouri series of
Oklahoma. Critical scrutiny of the material in hand indicates
the desirability of division to four species which are described
herein as <lpographiocrinus rotundus, n. sp., <.pographiocrinus
obtusus, n. sp., Apographiocrinus quietus, n. sp., and Apo-
graphiocrinus angulatus n. sp.

21 Crinoip Stupies. Part II]: STRIMPLE 7

A more extensive division of species has been avoided due to
the evidence provided in the remarkable studies of individual
variations made by James Wright (1926, 1927) with Phano-
crinus calyx, Zeacrinus konincki, Ureocrinus globularis and
Hydreionocrinus, from the Scottish Lower Carboniferous (Mis-
sissippian). Such observations have been substantiated in Amer-
ica by a study of numerous Phanocrinus specimens from the
Chester (Mississippian) of northeastern Oklahoma, (final MS.
submitted to Jour. Paleont. Jan. 24, 1948) Peremistocrinus
from the Dewey limestone (Pennsylvanian) of northeastern
Oklahoma, (1948) and Delocrinus subhemisphericus from the
Iola formation of southeastern Kansas (MS. submitted to Geol.
Mag., May 27, 1948). Considerable latitude for variants has
been allowed in the present study.

The author desires to express his gratitude to Frank Crane
of Fort Worth, Texas, and Wm. T. Watkins of San Antonio,
Texas, for the loan of specimens from the Pennsylvanian of Tex-
as for comparative study. It might be noted that the Texas A po-
graphiocrinus species appear to be more stable than the forms
under consideration.

SYSTEMATIC DESCRIPTIONS

1. 3.

LP GD

2. 4.

Figures 1-4, Diagrammatic cross sections, enlarged twice natural size.
1. Holotype, Apographiocrinus obtusus, n. sp. 2. Holotype, Apographio-
crinus angulatus, n. sp. 5, Holotype, Apographiocrinus rotundus, n. sp.
4. Holotype, Apographiocrinus quietus, n, sp.

8 BULLETIN 130 on

Genus APOGRAPHIOCRINUS Moore and Plummer, 1940
Apographiocrinus rotundus, n. sp. Plate 2, figs. 9-12; text fig. 3
Description.—This 1s the largest form observed from the Alta-
mont limestone. The dorsal cup is full all around, rather deep,
and the outer extension of the radials (RR) into the inter-face-
tal regions is pronounced. Ornamentation consists of fine elon-

©

gate ridges and depressions, with small rounded granules clus-
tered on the distal portions of infrabasals (IBB) and proximal
portions of basals (BB). IBB cirelet is subhorizontal in position
with the scar of the proximal colummnal forming a deep impres-
sion. Tumidity of BB creates a shallow basal concavity. Lost.
Bh. is rather large, other BB are normal elements of subequai
size. Each radial is divided into two parts, the proximal portion
has normal convexity but the upper portion is flattened and
appears somewhat like a scar, with only occasional granules
present except where the elongate ridges extend part way up
from the lower area. Articular facets are well developed. The
single anal rests solidly within the dorsal cup on the truncated
tip of post. B, however, its greatest development is within the
interbrachial area. Sutures rest in a slight depression but are not
deeply impressed.

Measurements ——

Holotype Paratype
Heitht of dorsal cup 48 mm. 5-0 mm
Greatest width of cup 11.9 mm. 12.3 mm.
Diameter of stem impression 1.7 mm, 220 tail
Diameter of IBB circlet 2.5 mm. 3.0 mm

Retationship.—A pographiocrinus rotundus is readily distin-
guished from all other described species in the full, deep cup
and distinctive ornamentation.

Occurrence and horizon.—Upper part of the Altamont lime-
stone, Marmaton group, Des Moines series, Pennsylvanian (Up-
per Carboniferous) ; road cut on eastward extension of 31st
Street, at southeast edge of Tulsa, Oklahoma.

Types—To be deposited in the U. S. National Museum.
Apographiecrinus obtusus, n. sp. Plate 2, figs. 1-4; text fig. 1

Description.—Dorsal cup broad, shallow, and is most distine-

23 Crinoip Stupres. Part II: Strrmpre y)

tive in the possession of large, vertical facets which occupy al-

most the entire width and height of the RR. In side view of dor-
sal cup, these facets form most of the height of the cal\x and
the remainder of the RR repose in a subhorizontal position.
There is a shallow basal concavity. Five IBB are slightly down-
flared and form a _ pentagonal-shaped disk, Sutures between
plates are in a mild depression but there is a decided lack of tu-
midity to the calyx elements as compared to other species of the
genus.

With the aid of magnification the ornamentation is seen to
consist of small rounded granules. They are especially prominent
in the areas between the vertical facets of the RR, and in the
proximal portions of BB. Elongate ridges accenuate the scar-
like development of RR which is covered by delicate granules.
Weak elongate ridges are sometimes visible over the normal
surfaces of RR and BB.

Articular facets of RR are well defined but are shallow when
compared with some species of <lpographiocrinus. They slope
inward only slightly.

Measurements.—

Holotype
Width of dorsal cup 10.2 mm.
Height of cup 3.7 mm.
Diameter of stem impression 1.5 mm.
Width of IBB circlet 2.5 mm.

Relationship.—A pographiocrinus obtusus is distinctive in the
wide, shallow nature of the dorsal cup, and the unusually strong,
vertically developed, arcuate area below the articular facet of
each radial plate. No other described species is comparable.

Occurrence and horizon.—Upper part of the Altamont lime-
stone, Marmaton group, Des Moines series, Pennsylvanian (Up-
per Carboniferous) ; road cut on eastward extension of 31st
Street at southeast edge of Tulsa, Oklahoma,

Types.—To be deposited.in the U. S. National Museum.
Apographiocrinus quietus, n. sp. Plate 2) figs. 13-16; text fig. 4

Description.—This is the most common species in the group

IO BULLETIN 130 24

under consideration, There are minor variations but substantially
the form is a moderately deep cup with a scalloped appearance
when viewed from above or below. Basal concavity is small and
rather ehallow, except for the columnar scar which is deeply
impressed. Five IBB form a small pentagon and are subhori-
zontal in outer portions. BB are tumid and are sharply divided
from adjoining RR. There is a small arcuate area below the ar-
ticular facet of each radial. Entire surface of cup is marked by
minute rounded granules, and in the holotype, the scarlike
areas of the RR are strongly granular. This latter characteristic
is not so pronounced in some of the paratypes. Interfacetal ex-
tensions of outer surface of RR form pronounced protuberances.
Articular facets are sharply defined and slope slightly inward.
Measurements.—

Holotype
Width of dorsal cup 9.6 mm,
Height of dorsal cup 3.6 mm.
Diameter of stem impression 1.0 min,
Width of IBB circlet 1.8 mm.

Relationship.—In general appearance this species is quite simi-
lar to Apoyraphiocrinus exculptus Moore and Plummer, 4. de-
ccratus Moore and Plummer, -l. facetus Moore and Plummer
and/or A. calycinus Moore and Plummer, all from the Missouri
series of Texas. The dorsal cup of A. facetus and A. exculptus
are deeper, and 4. guietus has a more scalloped outline when
viewed from above or below than found in 4. calycinus and A.
decoratus. In addition, A. quietus has granules covering the en-
tire surface of the cup, which condition is not reported for any
of the Texas species and has not been observed in any of the
specimens under loan or in the collections of the author.

Occurrence and horizon.—Upper part of the Altamont lime-
stone, Marmaton group, Des Moines series, Pennsylvanian (Up-
per Carboniferous) ; road cut on eastward extension of 3Ist
Street at southeast edge of Tulsa, Oklahoma.

Types——To be deposited in the U. S. National Museum,

25 Crinoiw Stupres. Part II: StrimpLe II

Aprograpkicerinus angulatus, n. sp. Plate 2, figs. 5-8; text fig. 2

Description-This is the most exciting species under con-
sideration. \Vhen the dorsal cup is viewed from above or below
there 1s a most pronounced scalloped appearance augmented in
leteral view by the sharply depressed areas at the apices of PB
and RR. Basal concavity is rather broad, shallow, and has the
center poruon sharply impressed for the reception of proximal
columnal. Arcuate facet is present below the articular facets
cf KR but 1s considerably smaller than in other species from this
horizon. Interfacetal extensions of outer surface of RR are ex-
ceptionally prominent Articular facets are small, slope slightly
inward, and are well defined. Entire surface of the dorsal cup is
cevered by minute, rounded granules which are weak in the
erea below the facets of RR. The single anal plate is normal
for the genus; z.¢., larger in the interbrachial region than within
the dorsal cup where it is seen to make solid contact with ex-
ceptionally large posterior basal.

Measurements.—

Holoytpe
Greatest width of dorsal cup 7.2 min.
Height of cup 3.0 mm.
Diameter of stem impression 0.9 mm.
Width of IBB circlet 1.Q mm.

Relationship.-—Yhe_ specific characteristics given above are
sufficient to ‘distinguish this from other described species of 4 po-
graphiocrinus. Extreme scalloped appearance together with the
depressed apices of RR and BB serve to quickly set it apart.
Except for the generic characteristics, which are well shown,
A angulatus might be confused with some species of Endelo-
crinus. .

Occurrence and horizon.—Upper part of Altamont limestone
formation, Marmaton group, Des Moines series, Pennsylvanian
(Upper Carboniferous) ; road cut on eastward extension of 31st
Street at southeast edge of Tulsa, Oklahoma.

Type—To be deposited in the U. S. National Museum.

12 BULLETIN 130 26

REFERENCES

Laudon, L. R.

1937. New occurrence of the Upper Carboniferous erinoid genera
Amphicrinus and Synerocrinus. Jour, Paleont., vol, 11, No. 8,
pp. 706-708, text figs. Laas

Moore, Raymond C.

1940. Relationships of the family Allagecrinide with description of
new species from Pennsylvanian rocks of Oklahoma and Mis-
souri, Denison Univ. Bull, Jour. Sei, Lab,, vol. 35 pp. 55-157,
pls. 2, 3. ;

1940, New genera of Pennsylvanian crinoids from Kansas, Okla-
homa and Texas. Denison Univ, Bull., Jour. Sci., vol, 55, pp.
32-54, pl. 1.

Moore, Raymond C., and Plummer, F. B.

1940, Crinoids from the Upper Carboniferous and Permian strata

in Texas, Univ, of Texas, Pub. 3945, »p. 9-468, pls. 1-21.
Moore, Raymond C., and Strimple, Harrell L.

1942, Metacatillocrinus, a new inadunate cimnoid genus from Penn-
sylvanian rocks of Oklahoma, Denison Univ. Bull, Jour, Sei.
Lab., vol. 37, pp. 77-84, text figs. 1-6,

Strimple, Harrell L.

1948. Peremistocrinus from the Dewey limestone formation, Okla-
homa. Geol, Mag., vol, LXXXV, March-April, pp. 115-116, pl.
10.

Wright, James.

1926. Notes on the anal plates of Eupachycrinus calyx and Zea-
crinus konincki, Geol. Mag., vol. LXIII, No. 742, pp. 145-164,
a ie

1927. ime variations in Ulocrinus and Hydreionocrinus. Geol, Mag.,
vol. LXIV, No. 758, pp. 305-372.

14 BULLETIN 130 28

Explanation of Plate 1 (3)*
Figure Page

1-1 Allagecrinus’ graffhami; (n: jsp. 22 ees
Figs. 1-2. Right posterior and left anterior views of holo-
type. 3-5, Summit, basal, and posterior views of mature -
paratype. 6-8, Summit, basal, and posterior views of para-
type, 9-10, Left posterior and anterior views of immature
erown, 11. Left anterior view of young partial crown.
Stull shale, near Melvern, Kansas.
12-20. Allagecrinus kylensis, n. sp. - 228th ee ee 4
Figs. 12-14, Summit, basal, and right posterior views of

of paratype. 18-20, Side, internal and external views of

typical second primibrach, Brownwood shale, Kyle Moun-
tain, near Palo Pinto, Texas.

~ All figures approximately three times natural size, natural photographs,

Pu. 3, VOL. 32 BULL. AMER. PALEONT. No. 130, Pu. 1

Fer Wuhte Ri ce BRE Eee des kl hale es Ens ee own ott it) a
; a da MRTG Cen C1 Be Sofas nee

Niki,

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16 BULLETIN 130 Tage
Explanation of Plate 2 (4)*
Figure Page
1-4. Apographiocrinus obtusus, n. sp. ~ a Sie
Holotype. View trom below, posterior side, summit and
anterior side.
5-8. Apographiocrinus angulatus, n. sp. ule dete pc) EE a ealut
Holotype. View from below, posterior side, summit aud
anterior side.
9-12. Apographiocrinus rotundus, n. sp. -~ Suh Aas eS eee 8
Holotype. View from below, pos-erior side, summit and
anterior side,
13-16. Apographiocrinus quietus, n. sp. Bs. x 9

Holotype. View fiom below, posterior side, summit and
anterior side.

* All figures are unretouched photographs enlarged three times,

Pu. 4, VOL. 32 BULL. AMER. PALEONT. No. 130, Pu. 2

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| MUS. CEP. ZOOL |
LIBRARY

BULLETINS
| OF

AMERICAN
- PALEONTOLOGY

*

VOL. XXXII

*

NUMBER IS!

1949

Paleontological Research Institution
Ithaca, New York
U, 3A:

MAR 1°7 1943

AMERICAN PALEONTCLOGY

Vol. 32

No. 131

EOCENE AND OLIGOCENE FORAMINIFERA
FROM LITTLE STAVE CREEK, CLARKE COUNTY, ALABAMA

By
Orville L. Bandy

Indiana University

March 4, 1949

Paleontological Research Institutioa
Ithaca, New York

[tne

MUS. f° PL Z00L,
LIBRARY

MAR 1°7 194
HARVARD
UNIVERSITY

TABU OERKCONDGEN TS

JNU OSSUTEEENCU coupes ese SOR ao Nereeee eer eee Sreeseanercy
Introduction Be ceca cs
AcknoWled@MeEntS se cceeeese ee
yeneral faunal relationships. ..............
Conditions of deposition
Stratigraphic analysis ...... 0... setts

SUM alters ects ey See eee ue a ee Se

Systematic description of species

IGS GOL eMC WiehONMS se see sas Sei
elected lotlolio cure liypee es reer teers eee ee ee eee
PleGeS ee ee ee el

FIGURES

to

Generalized columnar section, Little Stave Creek

TABLE
1. Ranges and abundance of species

Map of the upper course of Little Stave Creek .....

- SEE
see

see

146

YP ae

EOCENE AND OLIGOCENE FORAMINIFERA
PROM ETE CE STAVE CREEK CLARKE COUNTY,
ALABAMA

By

OrvILLE L. Banpy*

Indiana University

ABS PRACT

Two hundred and eighty-three species and varieties of Foraminifera
are described and figured from middle and upper Eocene and lower and
middle Oligocene strata, along the upper course of Little Stave Creek,
Clarke County, Alabama. 'The rocks are exposed along the stream’s course
tor a distance of over one mile witn a stratigraphic thickness of over 400
feet. Samples were collec.ed at frequent intervals from all horizons,
‘hree genera and one hundred and two species and varieties are deseribed
as new, and the relative abundance and stratigraphic ranges of all species
have been determined. A new fauna is reported from the Tallahatta for-

mation.
INTRODUCTION

The present study is the determination of the stratigraphic oc-
currence of the smaller Foraminifera found in a sequence of
nuddle and upper Eocene, as well as lower and middle Oligocene
strata, exposed along the upper course of Little Stave Creek,
Clarke County, Alabama. A knowledge of the occurrence of the
koraminifera in these strata 1s especially desirable, ‘since this
sequence of strata is of considerable importance in subsurface
petroleum exploration of much of the southern Gulf coastal area.
It is hoped that the present study will aid in a better understand-
ing of stratigraphic and faunal relationships in related areas.

The region is about two and one-half miles north of the town
of Jackson (Fig. 1). The headwaters of the stream are in section
21, 1.7 N., R. 2 E., and from there it flows westward along
the southern border of section 20, intersecting the northerly
striking Jackson fault in the general vicinity of the northeast
corner of section 30.

Although the area is within the coastal plain province where
the regional dip is mostly to the south, the strata dip gently
to the east about 11%4°-2°. The deviation of dip is directly at-
tributable to the influence of the Hatchitigbee anticline, located
some eight miles to the northwest (C. W. Cooke, Geol. Survey

*Hffective 1948, Assistant Professor of Geology, University of Southern
California. ; agi

6 BULLETIN 131 26

Alabama, Spec. Rept. 14, 1926, p. 252). The Jackson fault in this
area has a displacement of over 400 feet, and in the Little Stave
Creek section it results in the juxtaposition of Lower Claiborne
l-ocene on the east side of the fault plane with beds of Oliguce.e
age on the west.

In August, 1946, while the writer was employed by the Hum-
ble Oil and Ketning Company, Houston, Vexas, several geolo-
gists of the company and the writer made a |Lrunton compass
traverse of Little Stave Creek, collecting sampies at close iuter-
vals, as indicated in Figures 1 and 2. This study deals with 67
samples collected over a distance in excess of cne mile between
the Jackson fault on tne west, where the Claiborne group is ex-
posed, and the uppe.most exposure of the Ma-ianna limestone
near the headwaters of the creek to the east. The columnar tuick-
ness of this section (lig 2) is about 400 feet, and considerabie ef-
fort was mace to secure samples at frequent intervals and trom
al] horizons. Every attempt has been made to describe, figure,
and plot the ranges and relative abundance of all of the com-
mon, abundant, and most of the rare, small l‘oraminifera found
in the samples. In the fall of 1947, the writer mapped the sec-
tion with plane table and telescopic alidade in order to check
txe elevations of several outcrops and to establish better tue col-
lecting localities (Fig. 1).

LYhis section was previously mapped by Kk. H. Smith e¢ al
(Field Trip, Southeastern Geol. Soc., June, 1944) and the col-
umnar section which they prepared gave some of the more im-
portant megafossils and a few diagnostic Foraminifera. ‘the
positions of the megafossils reported by them are essentially the
same as those indicated in Figure 2. ‘the vertical ranges of the
smaller Foraminifera indicated on their column have been found
to be somewhat greater.

ACKNOWLEDGMENTS

The field work was begun while the writer was employed by’
the Humble Oil and Refining Company, Houston, Texas. To
the directors of that company and to Morgan Davis, Chief
Geologist, and to I. W. Rolshausen, Chief Paleontologist, the

BULL. AMER. PALEONT.. VOL. XXXI, NO. 132

5° | HATCHETIGBEE
ANTICLINE
EXPLANATION SS
x
z = Collecting localities z Section of North Bank Section of South Bank
=\|2 == 1 =
8\|5 = Unsurveyed stream = G2) 14' above 37 62) 9' above 58 (Spondylus zone)
8\|o Foll um
z ; exes wears o (41) Lime ledge 9' above 37 i) 7‘ above 58
= = &) 6' above 37 60) 4' above 58
Scale ’
' 1
250 ° 250 500 750 1000 Feet 69) 3 above 37 69) 2 above 58
a eS ee J ”
Datum assumed vs 68) 2 above 37 68) Creek bed-E|. 366.1
‘ G7) Just above concretion ledge Bode Oligocene f 67) Top of exposed
: ' i 66) section-El. 401
a QE 1
(7) Ostrea johnsoni-E 1. 237.75 MAP OF SOUTHWESTERN ALABAMA @ 1
r SHOWING LOCATION OF AREA 1 ' 63) 1 |
! \
(8) DIscoRychingKau venga ) @3)-Operculinoides zone ’ Top of falls :
34 above creek bed ae y H i i
(2) 2, ODOVE re Highest Ostraa Gi) Polylepidina 66) | iy Geli Section of North Bank 65) H alt Brea !
(11) Creek bed below falls * Go) zone } t 1 | I
sellaeformis zone | El 334.5 6) 20' above 47 ! } i
Ff 1
(1) Bose of exposed section Top falls (3) El. 253.9 28) re 164) 5' above creek bed : ' 1
\ E1, 224.5 ) E1.245.8 (14) Spralieed @ | Base of Gosport fm. | 69) 15 above 47 } }
I i] i]
1 El. 314 1 ' U t |
\ ©) (9) (is) 4' above creek bed @i) El. 277.2 @9 G2) f ft u ©) MOUs i H |
e | | | “ab ! { f
\z, (2) G) (0) (6) (7) creek bed \ ol GO iekabeverar ' I
\4 (3) | (5) y a) ! | | @2) Creek bed H | I
\o ; i ((9) @6) 6' above creek bed | H | H ! ;
Zz ; \ I ! fr \ I 1
\ : c 20) @3) @5) creek bed | |
/ | \
/\ @) |
vig \ ! I 1 i i |
a mal i Lowest Ostrea sellaeformis ' ! ! H H I
if ¥ H zone-E\, 271.4 ' 1 f !
\ Cc i ; ! i H I 1
q 1 ! | { '
/ \ d ! 1 ! 1 ‘ i
/ : H H 1 { I t
+ I
: moopys! RED MINT
\ \ \
B TALLAHATTA ¥ ! AY, ZONE A, AND ZONE B MARIANNA LS.
Chickasawhay y ae ; EISBON Hag RT MARL | LEN ACNTT EEN cael BLUFF ‘SPRING !
1
Bluff 1 |
I 1
I \ I i I H I
_L ' i H 1 1

ee

Surveyed by O.L. Bandy ond RM. Weidman, Nov., 1947.
Figure |. Map oF THE UPPER Course oF LITTLE STAVE CREEK, CLARKE COUNTY, ALABAMA

a ee

P|
E

37 STAVE CREEK FoRAMINIFERA: BaNDyY 7

writer extends many thanks.

The research program was commenced in September, 1946,
under an Indiana Department of Conservation Feltowship in
Geology at Indiana University—Professor Charles F. Diess, be-
ing State Geologist and Chairman of the Department of Geology.
The study was done under the supervision and helpful guid-
ance of Dr. J. J. Galloway, Professeor of Geology and Paleon-
tology, Indiana University, and to him the writer extends his
deepest appreciation and thanks.

Many thanks are also due the Shell Oil Company for the
granting of a generous research fellowship and expense account
for the 1947-48 academic year toward the furthering of the re-
search, completion of, and publication of this study,

The figures were drawn by the author, using a camera lucida
for outlining the structures. The map, columnar section, and
table of ranges and abundance, were drafted by William Moarn.

All of the types are catalogued and deposited in the Paleon-
tological Laboratory at Indiana University.

GENERAL FAUNA RELATIONSHIPS

The zoning of important species is discussed under the Strati-
graphic Analysis, but the general relationships of the faunas
encountered in the present study are worthy of note. The Clai-
borne fauna is very similar to the other faunas of the Gulf Coast
with very few outside forms present. The same statement holds
true for the faunas of the Jackson and Oligocene in general.
An exception appears to be the miliolid fauna of the lower Yazoo
clay member of the Jackson formation. Several new species of
miliolids are present and may be of rather limited geographic
range. The hitherto unreported fauna from the Tallahatta can-
not be compared with others, inasmuch as little foraminiferal
work has been published upon the Lower Claiborne. At locality
58, Jackson Eocene, abundant forms were found which are com-
mon to much of the Gulf coastal area of the United States and
Mexico. A few forms common to the Eocene of Cuba and Vene-
zuela were found, the most important being the abundantly oc-
curring Planulina venezuelana Nuttall reported from Venezuela,
and the common form, Saracenaria ornatula Bermudez reported

from Cuba.

8 BULLETIN 131 38

In general, the faunal elements are mostly cosmopolitan with
minor provincial elements. Many of the new forms reported
may be found to be cosmopolitan with further work in other
areas.

CONDITIONS OF DEPOSITION

The occurrence of orbitoidal Foraminifera in most of the sec-
tion (Fig. 2), the presence of large faunas of small Foramini-
fera, and the limy nature of many of the strata of the Little
Stave Creek section, all indicate a predominantly warm, shal-
low sea with relatively little turbidity. The presence of consider-
able glauconite in the Claiborne formations further corrobor-
ates the shallow, stable element. As indicated by silts and clays,
there were periods of turbid conditions, especially in the Talla-
hatta and Yazoo beds. The turbidity, however, was not great
enough to prevent the development of benthonic Foraminifera,
among them many miliolids. |

The environment of deposition indicated above accords well
with the ey discussions of Stephenson (Amer. Jour,
Sis, . 5, vol. 16, 1928, pp. 281-98). According to Stephen-
son’s Careuen aphic maps, the southern part of Alabama was a
part of the neritic zone throughout the Eocene and Oligocene
epochs.

THE STRATIGRAPHIC ANALYSIS OF COMMON AND
DIAGNOSTIC SPECIES OF FORAMINIFERA IN THE
LITTLE STAVE CREEK SECTION

The 283 species of Foraminifera described herein include
mainly the smaller forms, many of which are of considerable
stratigraphic value in the section studied. The forms considered
to be most important and diagnostic, along with some of the
larger well-known Foraminifera, are listed under the respective
formations given below. In addition, some species which are
common, but not restricted to certain formations, are included
in the following lists preceded by an asterisk, and it is sug-
gested that Table 1 be consulted for a clearer understanding

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39 STAVE CREEK FORAMINIFERA: BANDY 9

of their relative abundance and stratigraphic ranges. The for-
mations are discussed in ascending order.
EOCENE EPOCH
MIDDLE EOCENE, CLAIBORNE GROUP

Tallahatta formation—The Tallahatta formation is about
140 to 200 feet thick in the general area (Toulmin, Field Trip,
Southeastern Geol. Soc., June, 1944, p. 10), but only about 65
feet of the upper portion is exposed in this section. The forma-
tion is of marine origin and is composed of a series of clays,
some siliceous claystone, aluminous sandstone which is glau-
conitic in part, and the upper 10 to 15 feet are composed of
brown clay in which there are numerous indurated ledges. Radio-
laria are fairly common in the lower 30 to 40 feet of exposed
section and are very well preserved. The Foraminifera are very
rare in the lower part of the exposed Tallahatta, but the few
which are present are characteristically silicified (Table 1, locali-
ties 1-0). In this lower zone are specimens of Discorbis mauri-
censis Howe and Roberts and Glandulina elliptica Reuss, typi-
cal calcareous Foraminifera which are uniquely preserved with
siliceous material. In some cases the tests appear to be composed
of quartz grains cemented together with silica, in other cases,
the tests are composed of clear silica, similar to chalcedony. In
the upper part of the Tallahatta (localities 7-11) there is no
indication of this type of preservation, A considerably well-pre-
served fauna was found in the upper part of the exposed por-
tion of the Tallahatta including several new species.

Diagnostic Foraminifera of the Tallahatta Formation, Illus-
trated as Follows:

IMOIMOUNACOSHONG 8 fy ett NAN es pl. 17, figs. 6a-c
IOVING “enbiCnlat® |e). _) YO AAV pl. 25, figs. 3a-b
Bohwina regularis ____-_..--- Moca aie aE yy pl. 25, figs. 1oa-b
Cibicides. pippeni stavensis _____.....--_... pl. 19, figs. 6a-c
*Cibicides pseudowuellorstor fi Ne ees ph2gs fiese'ea-c
Grbicides ‘tallahattensis: ..2..<-' I. .2A-2. ta4-ply 20, hes! §a-c
Sibiniaii Clanpiedt wwe ea pl, 15, fies. 4a-c
Cibicidina mauricensis subinvoluta __-._--. pl. 16, figs. 5a-c

* Common but not restricted.

10 BULLETIN 131 40

Discocyclina advena (Cushman), 1921, U. S. Geol. Survey,
Prot.Paper 128-E, -p..130, pl. 22, fies. 1-5.

PS DISCORDUS LO) OWL CHISTS | suet 2 os Sogou ae ie pl. 16, figs. 7a-c
LGUMUCIITIC STADCMSTS tna Vt EM EERE ioe xe pl. 24, figs. 5a-b
Haplophragmoides tallahattensis ____.....- pl. 3, figs. 3a-b
TEGMETCRINGLDICONDCT OD Baie So UAUEY ene pl. 12, figs. 3a-c
LOL OStOMUIMAISEY TANG oe 5 Le ieee, WEEN aE pl. 25, figs. 11a-b
Womon tallanattensis. s..4 toil Seis ee 3. 2 pl. Tip figss adage
A WHOrING Wl COLENSIS® tums oat et ats SES ae pl. 27, figs. 11a-b
*Valvulineria danvillensis gyroidinoides pl. 13,°figs:734a-¢

Lisbon formation.—Approximately 150 feet of marine fossili-
ferous, predominantly calcareous and glauconitic sands and silty
clays, comprise the Lisbon formation of this section. A minor
cisconformity separates this formation from the underlying Tal-
lahatta. The fauna for the most part is fairly abundant and well
preserved. Examination of Table 1 indicates that there is con-
siderable faunal zonation within the Lisbon formation.

Diagnostic Foraminifera of the Lisbon Formation, Illustra-
ted as Follows:

Anomalina Umbonaia aie ee ae pl. 18, figs. 3a-c
Arivculina ter quem: San ne wee _ pl. 1, figs. 6a-b
Asterigerina texana (L. Lisbon) _- _ pl.) 22 tigsrsea-e
Canerisiclaibornensis £2 Ni STL Beers! + pl.-12, figs; ae
*Ceratobulimina (Ceratocancris) stellata --..-. =. pli 13) hss sGace
Cibrcudes. Gnmuls > 2 es Se pl. 10. nSs7 ase
Cibicidina: mauricensis; “200 Sa) Eee _ pl.i15, figs. 5a-c
Clavulinoides guayabalensis (U. Lisbon) _ pl. 4, figs. 4a-b
Discaroistycowacn sis i 5 Met. WE ee ee 2 pl. 27a ss e2ace
Eponides lisbonensis (L. Lisbon) —--------— _ pl. 14, figs. 2a-c
*E ponides mexicanus (U. Lisbon) —-—-----..- pl. 14, figs. 5a-c
*Lamarckina biconvexa (L. Lisbon) __-----.-—-- pl. 12, figs.’3are
iN ONION MROUWTICENSIS = ee pl. 10, figs/*12a-b
Wonton stavensis. (Us Lasbon) 2 S83 _ pl. 1a gseesa-b

Polylepidina gardneri (U. Lisbon) Cole, 1929, Bull. Amer.
Paleont., vol. 15, p. 60, pl. 1, figs. 1-6; pl. 2, figs. 1-2.

* Common but not restricted,

Bhi STAVE CREEK FORAMINIFERA: BANDY II

Pseudobulimina glaessnert (U. Lisbon) ____ pl. 13, figs. 2a-c
Owuingueloculmnd ‘harrist.... = oth ee ph (ry figs) 5aec
OQuinqueloculina mauricensis apertaexpansa ___ pl. I, figs. ga-c
mopnoning-.clatvornenses sti hose) oe DEI Ar hties. Ade
Spmoloculima lisbonensis: 248 22 phvr/figsy 34-¢
exinelantor Clarborwensis (2 2245 eon ly _ pl. 4, figs. 15a-b
Valvulineria jacksonensts ee nds bee ples, figs 4a

Gosport formation.—Toulmin (Field Trip, Southeastern Geol.
, June, 1944) reports Nonionella cock fieldensis Cushman and
Ellisor as being present throughout this formation, but no typi-
cal specimens were discovered in the material collected for this
analysis. The section is about 18 feet thick in this area and is
composed of very fossiliferous glauconitic and ferruginous sands.
The megafossils are much more abundantly represented than the
microfauna for the most part. The sample from locality 39 (see
Fig. 2 and Table 1) contains a few of the diagnostic Claiborne
species and is assigned to the top of the Gosport.
Diagnostic Foraminifera of the Gosport Formation, [lustrated
_as follows:

EM POMIGES NINO GIGOMUS, cso a FON SPE de =F ph rashes: i5a-¢
*Nonion rolshausent’ ___..---+------- pete to pl. ti, figs. 3a-b
SSE nonindclaivornmensts. 2 2) “te aS plo ai, figs. Aa-e
*Textularia claibornensis -_------ ey ee ie Ld pl. 4, figs. 15a-b

UPPER EOCENE, JACKSON FORMATION

Moodys marl member.—This member of the Jackson group
is about 25 feet in thickness and lies conformably on the Gosport
formation. It consist of marine fossiliferous calcareous silt, sands,
and some blue glauconitic, silty, marl. Many larger, diagnostic
Foraminifera occur near the base of this formation. The basal
part (locality 40) contains Miliola jacksonensis Cushman and
Nummutlites jacksonensis (Cushman), two good indices of the
Moodys marl.

Diagnostic Foraminifera of the Moodys Marl Member, Il-
lustrated as Follows

OMe. SMLCOTOSMm 222 5 eee _ pl. 25, figs. 6a-b
SMGULGTACSNCRUMCONAS nti Skil 2 eye Tg. pl. 19. figs. 2a-c
*

Common but not restricted.

12 BULLETIN 131 42

*Discorbis hemisphaericus a2 ph 16; figsi2ase
MMaliola, jac ksonensis 322 2! ee PEVOnb be 15 pl. 2, figs. 6a-c
Nummulites jacksonensis (Gravell and Hanna), 1935, Jour.
Paleont., vol. 9, p. 331, pl. 209, figs. 1-5, 7-8, I0-11, and 13-14.
According to Opinion 192 (Jour, Paleont., vol. 20, 1946, p.
294) of the International Rules of Zoological Nomenclature,
the rules are suspended in favor of Nummulites Lamarck,
1801, hence Camerina is no longer correctly used for this
species (localities 40-43).
Operculinoides vaughani (Cushman), 1921, U. S. Geol. Sur-
vey, Prot. Paper 128-E, p. 128, pl. 19, figs. 6-7
*Reusella mood ysensis ).. ya0. 83 SS pl 20) ties eae ae
Sphaerogypsina globulus 222.) 1s (Ne Se ph ae eas
Yazoo clay member.—Yhe Yazoo clay conformably overlies
the Moodys marl member of the Jackson group in this section
and is composed of about 42 feet of marine, fossiliferous, bluish-
plastic clay which breaks into blocks having somewhat con-
choidal fracture. The clay when processed and washed for foram-
iniferal separation is found to actually contain considerable
quantities of mostly fine sand and silt. The fauna is fairly abund-
ant and well preserved. Many of the miliolids are siliceous, as

for example, Massilina cookei Cushman, Massilina yagooensis,
n sp., Quingueloculina constans, n. sp., and Tyriloculina subro-
tunda, n. sp. In some cases the walls of these miliolids are com-
posed of quartz grains with siliceous cement, in other cases the
walls are of clear silica, similar to chalcedony. Although milio-
lids may have sand grains added to the exterior of their walls
(Galloway, A Manual of Foraminifera, 1933, p. 118) and in
some cases be entirely siliceous, it is believed that the siliceous
character of the forms of the Yazoo member is the result of silici-
fication. The supporting evidence for this conclusion is that
specimens of Discorbis, Glandulina, and a few other genera which
are never known to have siliceous tests, have the same type of
preservation in the lower part of the Tallahatta formation. In
addition, the type of Massilina cookei Cushman is apparently
porcellaneous and the representatives of that species in this sec-
tion are also mostly siliceous,

* Common but not restricted.

Ce

43 STAVE CREEK FORAMINIFERA: BANDY I

Diagnostic Foraminifera of the Yazoo Clay Member, Illus-
trated as Follows:

Ammobaculites pseudorostratus —_.-__..__. pl. 3, figs. 7a-b
An MOvaCMIITeS: NOZOORNSIS joes > oii Prot e pl. 3, figs. 6a-b
SCIViGIA IME NALOOENSIS “LA eM ny Ol ee — pl. 15, figs. 6a-c
MOSSUIMOCOO ke oui! eV ahY og A ee ele) hese lane
MAOSSTING WAZOCENSIS 20 od ee el la iesaase
BIN GNION Mad Wend. titty a) ee ae pl te fire a pacn
pe NIONUOTIMLLE TEOUALUS tL. 0s 2 fe ZEUS toy figs), Qa=p
SEN OMUO MELAS PISS (eo ue ty pl. 11, figs. 2a°c, 4a-c
Oumgueloculina constans 222 ee aL oSplials fiese dace
Spiro plectammina pseudoelongata —.---..- —---- _ pl. 4, figs. ga-b
ihewiniania adalia 222 3°22) est. pha figs or sabe hidacp
SR Cala tO CUD OUCH SIS =. 2. Be ea pl. 4, figs. 12a-b
riloculing. subrowinda i.) le ee spl a hips. 1Oa-c

Zone A.—This zone is about nine feet thick and is character-
ized by numerous specimens of Pecten and abundant Bryozoa.
The lower portion is a buff-colored, limy sand, the upper part
is a light buff indurated marl. The foraminiferal fauna is simi-
lar to that of locality 58 (Fig. 2), but the species are not so
abundant. Most of the smaller Foraminifera range through this
zone upward into the overlying member, many specimens of
Pecten and Bryozoa, however, are confined to this zone. Lepido-
cyclina ocalana Cushman (1920, U. S. Geol. Surv., Prof. Paper
125-D, p. 71) is also abundantly represented and is restricted to
this zone. Actinocyclina bainbridgensis Vaughan is restricted to
a thin bed within this zone (Fig. 2).

Diagnostic Foraminifera of Zone A

Actinocyclina bainbridgensis Vaughan, 1928, Florida Geol. Sur-

vey, 19th Ann. Rept., p. 158, pl. 1, fig. 5.

Lepidocyclina ocalina Cushman, 1920, U. S. Geol. Survey, Prof.

Paper | 125-D, p: 71,*pl. 28, figs. ,3=4.5\ pl..20, figs.; 1-3.

Zone B.—This unit includes the formation termed “Shubuta
Hill Clay” by Smith (Field Trip, Southeastern Geol. Soc., June,
1944) and part of the overlying plastic blue clay. As noted in
Table 1, many diagnostic forms extend throughout the three
localities involved, and it is for this reason that the two units

* Common but not restricted.

14 ; BULLETIN 131 44

are lumped together as Zone B. The general lithology of this
unit 1s rather similar to that of the Yazoo clay which occurs
lower in the section, but the faunas are very different and it is
unlikely that this is a part of that member. Only some of the
more important Foraminifera are listed below, inasmuch as about
150 species were found in this one zone, many of which are re-
stricted to the lower part.

Diagnostic Foraminifera of Zone B, Illustrated as Follows:

ZAKLO IUCUAIUUNE COME WSIS |W eek: Joe ne BOLE ee a AE plo17, tessa
ASL EHUGELIMCILE OCI OUNA\ peo. Sel yee naan _ plo.22; figsh taee
BiQuoine adgliy 2s 5) Ba wl ee eet
Bulumina jacksonensis = 2 Slee 2 es Spleen sey
Bulumna jacksonensis cuneata _...-____-__-__- pl."26, shige
Discorbis cocodensis 22) Ne 2, 2S ee Op) Osea
GON CHAS AGOCOMCTISIS Rea Os ay a ee ak pl 12) les 7a
(Gov OMI CHE (011k, 5 es ai are SPE ee 3082 ie De 1 a » pl. 15) ess ane
Gawdryina. jackSonerisis! <9 2a a a pl. 3, figs. 10a-b.
Wier Gini SOCOM SIS ee ==) Ue ers yee ee Lo pls: 6) tigsiharo
SOKO CCOMAAO KNOLL Cee! 2 es Tue i pl. 5, figs. 8a-b
TOU UNUS LCDS UE eC aS LG, 8 Sop eres . pl. 8, fess 4aeh:
TO DUS SURV USULOGE Sg ee a2 = ee ee Dae pl. 8, figs. 6a-b
Robulus rechdorsatus G25 2) 1S 2 pl a8, iesaaaae
URNG CT ING TCOCOCEIISIS Mae) el Ee ten pli. 26; het at
Vulvulina advena . pl? 5, figs. 3a<b; asp:

OLIGOCENE EPOCH
LOWER OLIGOCENE

Red Bluff clay—(Lower Vicksburg of most authors). The
classification of F. Stearns MacNeil (Bull. A.A.P.G., vol. 28,
1944, p. 1316), excluding the Red Bluff clay from the Vicksburg
group, is followed in this study, The Red Bluff is about 12 feet
thick in this section, based upon faunal analysis. This includes
a small portion of the plastic blue-gray clay at the base. The
general lithologic character is essentially a light, greenish-gray,
glauconitic marl. The foraminiferal fauna is a transitional as-
semblage with numerous mixed Oligocene and Eocene forms.
A few of the diagnositic forms are listed below.

45 STAVE CREEK FORAMINIFERA: BANDY 15

Diagnostic Foraminifera of Red Bluff Clay, Illustrated as
follows:

Angulogerina byramensis uu. Ple27.ehessGa=b.
SD OMUINGRNIMS SES SUP PICIISIS: 1. J fev S32 pl. 25, figs. 4a-b.
MB OUUIO FEMCTO. =) See es a a oe ply ane figs. hoa-b:

Cibicidesncook ent 28 ais pis wh Bo he NG ge ithe pl. 18, figs. 5a-c.

DISCOROTION UN OUGMMUGs Sm. 2. = 28S fe Sol Sy 2 _ pl..17, figs: 3a-¢.
SGlovOnoLaliamarionnensisS ..— 2 ess) pla). figs. Gasc:
Ce VROIA tO ObESO. eo Te es ee _ pl. 14, figs. 4a-c.
picoLorbinellawpacards 2s sient ee i pleas. lies? la-e:
RU iGerind DICRSDUTGENSIS )_2 Olen N rs a ehh Deol 27 Sle ai5s

MIDDLE OLIGOCENIE, VICKSBURG GROUP
Marianna limestone.—About 60 feet of Marianna limestone

is exposed on Little Stave Creek, the lower 30 feet of which has
been designated as equivalent to the Mint Spring marl by Smith
et al (Field Trip, Southeastern Geol. Soc., June, 1944). Smith’s
classification is followed in this analysis, although most of the
smaller Foraminifera are essentially alike throughout. The lower
part, which is designated Mint Spring marl, is a grayish-white,
slightly glauconitic lime. The upper 30 feet of the section con-
tains considerable numbers of specimens of L. mantelli (Morton)
and is the typical soft white “chimney rock.”

Common Species of Foraminifera in the Mint Spring Menbee
Illustrated as follows:

*Ammobaculites subagglutinans -------------------- pl. 3, figs. 5a-b.
BMD ULOG CNEVING-NOWEL © ar. ee pl. 25, figs. 12a-b.
SS OLUNOIMASSISSEBDUCISIS 222 eS pl. 25, figs. 4a-b.
‘Bulumana byramensis, 2.10 = ply 25,9 eset 4acb.
eCibicides pseudoungerianws -- ss pl, 10, figs. -7a=c!
Res UIA SELUCHSIS 2a A eR eae pl. 3, figs. 6a-b.

Common Species of Foraminifera in the Marianna Limestone,

Illustrated as follows:

*Ammobaculites subagglutinans -.-------------------- . (See -above):.

SG lObOTOtGIIO: MOTIANNENSIS, .2.- toe do

Lepidocyclina mantelli (Morton), 1833, Amer. Jour. Sci. Arts,
Vols pi 2OL.y pla 5); figs: O:

*Planorbulina mediterranensis ——----------- 2 pl. 2, Mites. p2a-e:

MUI TiGerith CHGRSUUPGENSIS © .> ee es. pl. 27, fig..5-

* Common but not restricted.

16 BULLETIN 131 46

SUMMARY

The more significant results of this investigation are as fol-
lows:

1. The figuring and describing of 283 species of Foramini-
fera with the determination of their vertical range and relative
abundance within the section,

2. The discovery of 102 new species and varieties and 3 new
genera of Foraminifera.

3. The discovery of new morphological characters associated
with two of the new genera reported.

4. The exclusion from the genera Discorbis, Cibicides and
-Inomalina, forms in which the dorsal spire is mostly concealed
by the involute final whorl and which have fine to medium per-
forations (see Cibicidina).

5. The report of a hitherto undescribed fauna from the Talla-
hetta formation of the Claiborne group and many new species
from the Yazoo clay member of the Jackson.

6. An exact determination of the sequence of faunules in
the complete section studied, thereby providing evidence for the
more precise definition of other reported foraminiferal faunas as
tc stratigraphic position.

7, The discovery of several new, good fossil indices, e. g.,

Diseorbiura-dignatas. 2 = <2 — Seeeeeee ae Red Bluff.
Asterigerinella gallowayi _.-------.-- uppermost Jackson
Gibtcid ina wally. SAMs a ee el do
Robulus *davist i. 2 sea ee _do
Rovulus eugiyphens 2 _ do
Robulusxrechidorsats 2 2 2 eee eda
Nonton rolshausem —_----------- _ _..._Gosport formation

8. The determination that most of the plastic blue clay at
the top of the Jackson formation is of Jackson age and not Oligo-
cene. ;

g. The determination that the Moodys marl member in this
section begins with a basal ferruginous, glauconitic sand with
the appearance of typical Moodys marl fossils (see discussion
under Stratigraphic Analysis).

47 STAVE CREEK FORAMINIFERA: BANDY 17

10. The extension of the vertical ranges of forms previously
considered to be good index markers. Some outstanding examples
of this are: (1) presence of the Eocene form, Planulina cocoaen-
sis Cushman in the Oligocene; (2) the presence of the typically
Oligocene fossil, Cibicides pippeni Cushman and Garrett, in up-
per Jackson strata; (3) the presence of Hantkenina alabamaensis
Cushman, an Eocene index species, in the Red Bluff beds; (4)
and the occurrence of Palmula henbesti (Bermudez), an Eocene
form described from Cuba, in Eocene and Oligocene strata.

11. The discovery of a small entirely silicified foraminiferal
fauna in the lower part of the exposed Tallahatta formation,
localities 1-6.

Sol EMAC DESCRIPTION OF SPECIES
Family SPIRILLINIDAE Reuss, 1861

Genus SPIRILLINA Ehrenberg, 1843
Spirillina vicksburgensis Cushman Plate 1, figs. la-¢
Spirillina vieksburgensis Cushman, 1935, Contr. Cushman Lab, Foram.
Res., vol. 11, p. 34, pl. 5, fig. 6 Vicksburg, Oligocene, Miss,; Cush-
man and Todd, 1946, idem, vol, 22, p. 96, pl. 16, fig, 11 Byram marl,
Oligocene, Miss.

Test planispiral, evolute, biconvex; edge obliquely truncate,
the dorsal side somewhat broader than the ventral; sutures dis-
tinct, slightly depressed on the ventral side; wall hyaline, white,
surface on the dorsal side with single row of coarse pits, ven-
tral side transversely, finely and regularly striate, causing the
sutures to appear crenulate; aperture crescentic. Diameter, 0.24
mm.; thickness, 0.06 mm. Rare.

Plesiotype-—No. 5033, locality 63, lower Oligocene.

Family MILIOLID d’Orbigny, 1839
Genus CORNUSPIRA Schultze, 1854
Cornuspira lisbonensis, new species Plate 1, figs. 2a-b

Test planispiral, composed of a round or oval tube enlarging
gradually, the sides of the tube rounded, not flattened; in end
view, apertural end higher than broad; suture distinct, slightly
depressed; wall porcellaneous with embedded clear, spicular
grains; aperture oval. Diameter, 0.63 mm.; thickness, 0.10 mm.
Rare.

C. olygogyra Hantken (1875, Magy. kir foldt. int. Evkonyve,
vol. 4, p. 16, pl. 1, fig. 10) with which this species is sometimes
confused, has a chamber with flattened sides, and the tube is

18 BULLETIN 131 45

rectangular in section, whereas in this form the tube is oval to
round in section. C. byramensis Cushman (1935, Contr. Cush-
man Lab. Foram, Res., vol. 11) is composed of a tube of even
diameter for most of the early part of the test, then the tube
rapidly increases in diameter for the last two or three coils.

Holotype—No. 4858, locality 30, Lisbon fm., Claiborne,
Eocene, ;

Genus SPIROLOCULINA d’Orbigny, 1826

Spiroloculina lisbonensis, new species Plate 1, figs. 3a-c

Test about 1% times as long as broad, biconcave, edge trun-
cate, slightly concave or sometimes convex on the last chamber ;
chambers rather indistinct due to nearly complete overlapping
of early chambers by the last two, quadrate in transverse section,
widest at the edge where there is a slightly thickened rounded
angle at each side; basal end of test overhanging; sutures most-
lv concealed by overlapping flaps of the last two chambers; wall
porcellaneous with brownish tinge; surface smooth, glistening ;
aperture with short neck, quadrate, with simple tooth on the
inner margin and some indications of another smaller one op-
posite. Length, 0.58 mm.; breadth, 0.38 mm.; thickness, 0.17
mm. Common.

This species differs from S. bidentata Hadley (1935, Bull.
Amer. Paleont., vol 22) in lacking the prominent lateral ridges,
which are thickened margins of chambers extending out of the
plane of coiling, and in the much greater overhanging of the
basal portion of the last chamber, This form is also much smaller ;
it may well be the ancestral form to Hadley’s species. Some of
the subsequent forms attributed to S. bidentata may belong in
this species. .

Holotype-—No. 5034, locality 21, Lisbon fm., Claiborne,

Eocene.
Genus QUINQUELOCULINA d’Orbigny, 1826

Quinqueloculina constans, new species Plate 1, figs. 4a-c

Test twice as long as broad, somewhat compressed, periphery
smooth, edge rounded; chambers distinct, somewhat inflated, of
nearly uniform diameter, the ends only slightly extended; the
last two chambers in nearly one plane, circular in cross section ;

49 STAVE CREEK FORAMINIFERA: BANDY 19

sutures distinct, depressed; wall rather smooth, composed of
ciear quartz grains with a small amount of silicious cement,
probably due to silification; apertural neck distinct, rather short
with a strong lip, aperture circular with simple tooth. Length,
0.92 mm.; breath, 0.43 mm.; thickness, 0.18 mm. Common.

This form slightly resembles Q. aspera d’Orbigny -(1826, Ann.
Sci. Nat., ser. 1, vol. 7, p. 301) but differs in having an even
or smooth periphery, slight neck with strong lip, and in the
more tapering form of the test. Q. laevigata d’Orbigny (1826,
Ann. Sci. Nat., vol. 7, p. 301, No. 6) is not so compressed as
seen in end view, and it lacks the distinct lip that characterizes
this variety.

Holotype —No. 4989, locality 47, Yazoo clay, Jackson, Eo-
cene.

Quinqueloculina harrisi Howe and Roberts Plate 1, figs. 5a-c

Guinqueloculina harrisi Howe and Roberts, 1939, Louisiana Dept. Cons,
Geol. Bull. 14, p. 35, pl. 2, figs. 13-15; Cook Mt. fm., middle Eocene,
La.

Test comparatively small, broad, smooth, slightly compressed,
oval in outline; chambers rotund; periphery broadly rounded;
sutures very slightly depressed; wall porcellaneous, with brown-
ish tinge; surface smooth, glistening; aperture semicircular with-
out neck, with small tooth. Length, 0.53 mm.; breadth, 0.41
mm.; thickness, 0.27 mm. Common.

Plesiotype-—No. 4990, locality 21, Lisbon fm., Claiborne, Eo-
cene.

Quinqueloculina hermosa Cole Plate 1, figs. Ta-c

Quinqueloculina hermosa Cole, 1927, Bull. Amer, Paleont., vol, 14, No.
olf ps Ls eple 2, sos. 285-29; middle Eocene, Mex,

Test large, elongate, somewhat fusiform in side view; cham-
bers narrow, of about uniform width; edge rather abruptly
rounded; wall porcellaneous, brownish; surface glistening; aper-
ture terminal, at the end ofa long neck, circular with bifid tooth
which is usualy broken, appearing simple; sutures distinct, some-
what depressed. Length, 0.88 mm.; width, 0.42 mm.; thickness,
0.26 mm. Rare.

20 BULLETIN 131 50

Plesiotype.—No. 4991, locality 20, Lisbon fm., Claiborne, [o-
cene.

Quinqueloculina mauricensis Howe Plate 1, figs. 8a-e

Quinqueloculina mauricensis Howe, 1939, Louisiana Dept. Cons., Geol.

Bull, 14, p. 35, pl. 4, figs. 8-10 Cook Mt. im., middle Eocene, La.;
Cushman and Todd, 1945, Contr, Cushman Lab, Foram. Res,, vol. 21,
p. 12, pl. 3, figs. 5, 6 Lisbon fm., Claiborne, Eocene, Ala.

Test slightly less than twice as long as broad, apertural end
exserted, subtriangular in cross section, the periphery keeled;
chambers distinct, somewhat triangular in cross section; su-
tures distinct; wall porcellaneous, smooth, unornamented except
for the lighter colored keel-like peripheral edges; aperture
comparatively small, subcircular. Length, 0.68 mm_; breadth,
0.30 mm.; thickness, 0.18 mm. Common.

Plesiotype.—No. 4992, locality 20, Lisbon fm., Claiborne, Eo-
cene.

Quinqueloculina mauricensis apertaexpansa, new variety
' Plate 1, figs. 9a-c

Test about twice as long as broad, the apertural end exserted
and flaring, subtriangular in cross section, the periphery keeled ;
chambers distinct, somewhat triangular in cross section; su-
tures distinct, somewhat depressed; wall porcellaneous, with
brownish tinge, glistening; apertural terminal, round, at the end
of a definite flaring neck and with small bifid tooth. Length, 0 67
mm.; breadth, 0.32 mm.; thickness, 0.19 mm. Abundant.

This variety differs from Q. mauricensis Howe only in the
flaring exserted lip, a stable characteristic.

Holotype.-—No. 4993, locality 31, Lisbon fm., Claiborne, Eo-

cene.
Quinqueloculina mauricensis lisbonensis Cushman and Todd
: Plate 2, figs. la-c
Quinqueloculina mauricensis lisbonensis Cushman, and Todd, 1945,
Contr, Cushman Lab. Foram, Res., vol. 21, p. 12, pl. 3, figs. 7, 8
Lisbon fm,, Claiborne, Eocene, Ala.; 1945, idem, p, 81, pl. 138, figs.
9, 10 Moodys marl member, Jackson, Kocene, Miss, ;

Test slightly less than twice as long as broad, the apertural
end somewhat produced; chambers distinct, subtriangular in
cross section; sutures distinct; wall porcellaneous, slightly leach-
ed; surt.ce matte, ornamented with numerous very fine strie ;
aperture small, subcircular with a small bifid tooth. Length, 0 88
mm. ; breadth, 0.47 mm.; thickness, 0.25 mm. Rare,

Plesiotype—No. 4994, locality 40, Moodys marl member,

Jackson, Eocene.

51 STAVE CREEK FORAMINIFERA: BANDy 21

Quinqueloculina stavensis, new species Plate 2, figs. 2a-c

Test elongate ovate in side view, length slightly over twice
the breadth, thickness about two-thirds the breadth; periphery
rounded tending to appear angled due to flattened flanks; cham-
bers distinct, subtriangular in cross section; sutures rather deep-
ly depressed; wall porcellaneous, glistening; surface of all the
chambers with longitudinal rows of coarse puncta; apertural
end slightly produced, aperture ovate with tooth. Length, 1.06
mm.; breadth, 0.47 mm.; thickness, 0.33 mm. Rare.

This form differs from Q. lacwnosa Karrer (1867, K. Akad,
Wiss. Wien, Math-Naturw. Cl., Sitzber., Wien, Osterreich, Bd.
55, Abth. 1, p. 362, pl. 3, fig. 6a-c) in the subtriangular cross
section of the chambers and the ovate aperture.

Holotype.—No. 4995, locality 46, Yazoo clay, Jackson, Eo-
cene.

Quinqueloculina substriata, new species Plate 2, figs. 3a-c

Test slender, elongate, roughly triangular in cross section;
chambers quadrate in transverse section; length of test nearly
three times the width, width about two-thirds the thickness; wall
porcellaneous, white, glistening; sutures distinct only slightly
depressed; aperture terminal, round, produced, with simple
tooth. Length, 0.63 mm.; breadth, 0.26 mm.; thickness, 0.17
mm. Rare.

The quadrate transverse section and the striate character ot
this form distinguishes it from most similar forms. Q. parisiensis
G'Orbigny (type figure in Fornasini, 1905, mem. R. Accad. Sci.
Ist. Bologna, ser. 6, vol. 2, pl. 2, fig. 9) lacks the quadrate
cross sectional character; Q. striata d’Orbigny (1843, Guérin-
Menéville, F. E. Iconographie du Regne Animal de G. Cuvier,
Paris, France, J. B. Bailliére, Mollusques, p. 10) is nearly bi-
laterally symmetrical in that the last ultimate and penultimate
chambers are added in a plane whereas in this species these
chambers are not in the same plane. Q. limbata d’Orbigny (1905,
R. Accad. Sci. Ist. Bologna, Mem. Sci. Nat., Bologna, Italia, ser.
6, tomo 2, p. 66) is much more heavily costate.

Holotype.—No. 4996, locality 47, Yazoo clay, Jackson, Ko-
cene.

22 BULLETIN 131 52

Quinqueloculina yeguaensis Weinzierl and Applin Plate 2, figs. 4a-c, 5a-e

Quingqueloculina seminulum Stadnichenko (not Linné), 1927, Jour. Pal-
eont., vol. 1, p. 226, pl. 38, fig. 28 Yegua fm., middle Hocene, Tex.

Quinqueloculina yeguaensis Weinzierl and Applin, 1929, Jour. Paleont.,
vol. 3, p. 393, pl. 44, fig. 4 Claiborne, Eocene, Texas; Cushman and
Todd, 1945, Contr. Cushman Lab. Foram, Res., vol. 21, p. 12, pl. 3,
figs. 3, 4 Lisbon fm,, Claiborne, Eocene, Ala.

Test smooth, slightly compressed, oval in outline, peripheral
chambers nearly cylindrical; chambers distinct, enlarging regul-
larly in size; wall porcellaneous, white; surface smooth, glis-
tening; sutures distinct, slightly depressed; apertural end with a
short neck; aperture terminal, oval, with bifid tooth. Length of
unbroken specimen, 0.66 mm.; breadth, 0.31 mm.; thickness,
0.24 mm. Common.

Plesiotype-—No. 4997, locality 38 (Fig. 4); plesiotype, No.
4998, locality 37 (Fig. 5), Gosport fm., Claiborne, Eocene.

Genus MILIOLA Lamarck, 1804

Miliola jacksonensis Cushman Plate 2, figs. 6a-ce
Miliolu jacksonensis Cushman, 1933, Contr, Cushman Lab. Foram, Res.,

)

vol. 9, p. 2, pl. 1, figs. 2, 3 upper Eocene, Miss,; Cushman and Todd, ,
1945, Contr. Cushman Lab. Foram. Res., vol. 21, p. 83, pl. 13, fig. 13
Moodys marl member, Jackson, Kocene, Miss,

Test elongate fusiform, pentagonal in cross section, with five
subequal external chambers; chambers with rounded backs; su-
tures distinct, strongly depressed; wall silicious, white, surface
ornamented with numerous fine longitudinal costellz with one,
two, or three rows of small rounded puncta between each pair,
of costelle; aperture at the end of a very short neck, cribrate in
the adult without distinct trematophore. Length, 1.13 mm.; di-
ameter, 0.37 mm. Common.

The costella are variable in length and size, most specimens
having only traces of them while other specimens have them
rather well developed. The Yazoo specimens are more like the
paratype than the holotype.

Plesiotype—No. 4954, locality 46, Yazoo clay, Jackson, Eo-
cene.

Genus TRILOCULINA d’Orbigny, 1826

Triloculina mindenensis Howe Plate 2, figs. 9a-e
Triloculina mindenensis Howe, 1939, Louisiana Dept. Cons., Geol. Bull.

53 STAVE CREEK FoRAMINIFERA: BANDY 23

14, p, 37, pl. 3, figs. 11-13 middle Eocene, La.; Cushman and Applin
1943, Contr. Cushman Lab. Foram, Res,, vol, 19, p. 32, Died. Hoa lo
Yegua fm,, middle Kocene, Tex.

Test oval, 1% times as long as wide; chambers inflated, with
broadly rounded backs; sutures slightly depressed; wall por-
cellaneous ; surface smooth, glistening or dull; aperture terminal,
large, semicircular, with a short broad tooth. Length, 0.53 mm.;
breadth, 0.34 mm. Common.

The form figured by Cushman and Applin is much more ovate
than.the type figure and the specimens from Little Stave Creek
are slightly less broad.

Plesiotype.—No. 5050, locality 31, Lisbon fm., Claiborne, EKo-
cene.
Triloculina subrotunda, new species Plate 1, figs. 10a-c

ef. Triloculina rotunda var. Howe and Wallace, 1932, Louisiana Dept.
Cons., Geol. Bull: 2, p. 23, pl. 2, fig, 4 upper Eocene, La.

Test oval, 1% times as long as wide; chambers rotund, the
last chamber with depressed back, increasing rapidly in size as
added; sutures depressed; surface smooth; wall composed of
clear quartz grains with silicious cement, probably silicified ;
aperture very large, flattened ovate, with a distinct slightly flaring
rim or lip and a bifid tooth which projects slightly above the out-
line of the aperture. Length, 0.61 mm.; breadth, 0.43 mm. ; thick-
ness, 0.28 mm. Common.

T. rotunda dOrbigny has a smaller aperture and compara-
tively larger or broader last chamber than this species and the
chambers of this new form are more nearly the same diameter
throughout their length.

Holotype.—No. 5051, locality 47, Yazoo clay, Jackson, Eo-
cene.

Triloculina subtumidifrons, new species Plate 2, figs. 10a-c

Test subcircular in outline, only slightly longer than wide,
somewhat compressed; edge rather ahruptly rounded; chambers
distinct, subtriangular in cross section, succesive chambers in-
creasing rapidly in size, the last one nearly enveloping the ante-
penultimate chamber; wall porcellaneous; surface glistening; su-
tures distinct, very slightly depressed; apertural end not pro-
duced ; aperture terminal, oval, with a simple tooth. Length, 0.37

24 BULLETIN I31 54

mm.; width, 0.35 mm.; thickness, 0.20 mm. Rare.

This form is much smaller, comparatively thinner, and the
edge 1s not so broadly rounded as compared with 7. gilboei Beck
(1943, Jour. Paleont., vol. 17, p. 594). T. mindenensis Howe is
not so circular in outline and the last chamber doesn’t encom-
pass as much of the third from the last chamber.

Holotype-—No. 5052, locality 40, Moodys marl member, Jack-
son, Eocene.

Genus MASSILINA Schlumberger, 1893

Massilina cookei Cushman Plate 3, figs. la-c

Massilina cookei Cushman, 1935, U. 8. Geol. Sur., Prof. Paper 181, p.

13, pl. 3. fig. 17, upper Eocene, Miss.

Test quinqueloculine in early stages, later the chambers are
added in one plane, much compressed; periphery acute, slightly
carinate; chambers of the early portion less flattened, those of
the adult very much compressed, widest near the inner margin,
which stands above the remainder of the surface; ends project-
ing, especially the apertural end which has a short cylindrical
neck; surface very finely striate or smooth; wall composed of
quartz grains, with some parts of porcellaneous calcium car-
bonate, and the later parts composed of clear, nongranular silica,
probably the result of silicification. Length, 1.50 mm.; breadth,
0.91 mm.; thickness, 0.16 mm, Abundant.

The figured specimen is much larger than the type; there is
considerable range in size among the specimens found.

Plesiotype.—No. 4950, locality 49, Yazoo clay member, Jack-
son, Eocene.

Massilina decorata Cushman Plate 2, figs. Ta-b

Massilina decorata Cushman, 1922, U. 8S. Geol. Sur., Prof. Paper 129-F,
p. 143, pl. 34, fig. 7 Vicksburg, Oligocene, Miss.; Bergquist, 1942
Mississippi State Geol. Sur,, Bull. 49 (Fossils), p. 22, pl. 1, fig. 26
upper Eocene, Miss.

Test much flattened, elliptical or oval, basal and apertural
ends projecting, the apertural end narrowing to a small cylindri-
cal neck, nearly in the longitudinal axis of the test; sutures
rather indistinct; wall porcellaneous; surface smooth, ornament-
ed by very fine pits giving the surface a finely granular, matte
appearance; aperture nearly round with a small tooth. Length,
0.47 mm.; breadth, 0.30 mm.; thickness, 0.06 mm, Abundant.

Plesiotype-—No, 4951, locality 60, Jackson, Eocene.

55 STAVE CREEK FORAMINIFERA: BANDY 25

Massilina jacksonensis punctato-costata Cushman Plate 2, figs. 8a-e
Massilina jacksonensis punctato-costata Cushman, 1933, Contr. Cushman
Lab, Foram. Res,, vol. 9, p. 3, pl. 1, figs. 5, 6 upper Eocene, Miss,
Cushman and Todd, 1945, vol. 21, p. 82, pl. 13, fig. 18 Moodys marl
member, Jackson, Eocene, Miss. ;

Test broadly oval or elliptical, much compressed, periphery
subacute, apertural end slightly projecting; early chambers quin-
queloculine, later ones in a single plane; sutures distinct, slightly
depressed ; wall siliceous, transparent, not granular, the chamber
cavity filled with opaque white material, probably silicified; sur-
face ornamented with a series of low longitudinal curved costz
between rows of puncta, those near the periphery more strong-
lv developed than those nearer the inner margin of the cham-
bers; aperture at the end of a distinct neck, round or oval with
simple tooth. Length, 0.63 mm.; breadth, 0.53 mm.; thickness,
0.10 mm. Common.

Plesiotype.—No. 4952, locality 46, Yazoo clay, Jackson, Eo-
cene.

Massilina yazooensis, new species Plate 3, figs. 2a-c

Test elongate ovate in outline, with the apical end projecting
very little and the apertural end with a rather short but definite
cylindrical neck; in edge view much compressed ordinarily not
in one plane but with sides essentially parallel; edge rounded;
milioloid stage rather small, about four chambers in the plani-
spiral portion of the test; surface smooth, some trace of striz
in some individuals; wall composed of quartz grains with silica
cement, probably silicified; aperture terminal, with a fairly short
round cylindrical neck, flaring lip, and a bifid tooth. Length, 0.94
mm.; width, 0.50 mm.; thickness, 0.11 mm. Common.

This species differs from M. mansfieldi Cushman and Cahill
(1933, U. S. Geol. Survey, Prof. Paper 175-A) in having slight-
ly fewer chambers in the planispiral portion and in the flaring
aperture with bifid tooth.

Holotype-—No. 4953, locality 47, Yazoo clay, Paalcore Eo-

cene.
Genus ARTICULINA d’Orbigny, 1826
Articulina terquemi Cushman Plate 1, figs. 6a-b
Articulina terquemi Cushman, 1935, Contr. Cushman Lab, Foram. Res.,

26 BULLETIN 131 56

oY nd

vol. 9, p. 3, pl. 1, fig. 7 upper Eocene, Miss.; Cushman, 1944, Lab.
Foram, Res,, Special Publ. No. 10, p. 6, pl. 1, figs,.16, 17 Jackson,
Eecene, Miss.

Test small, early portion triloculine, moderately compressed,
periphery rounded; chambers of the early portion not ‘distinct,
except the last one or two; nearly involute, uniserial chamber
rounded ; sutures indistinct in early portion; wall porcellaneous,
brownish; surface ornamented by prominent longitudinal coste,
in general parallel to the periphery ; aperture terminal, circular,
with a very distinct, slightly flaring lip. Length, 0.60 mm.;
breadth, 0.30 mm, Common.

The few coarse coste serve to distinguish this species from
A. nitida POrbigny (1826, Ann. Sci. Nat., vol. 7). This form
is common at locality 31 in the Lisbon formation of the Clai-
borne group. .

Plesiotype-—No. 4794, locality 31, Lisbon fm., Claiborne, Eo-

cene.
Family TROCHAMMINIDZ Schwager, 1877
Genus HAPLOPHRAGMOIDES Cushman, 1910
Haplophragmoides tallahattensis, new species Plate 3, figs. 3a-b

Test nautiloid, subglobose, planispiral, biumbilicate, slightly
compressed, subcircular in side view; in edge view the umbilici
appear flattened, the edge broadly rounded and the flanks some-
what flattened; periphery slightly lobulate; chambers seven to
eight in the last whorl, increasing gradually in size; sutures

radial, very slightly curved, mostly flush with the surface, the

later ones may be very slightly depressed; surface mostly finely
arenaceous with much cement, smoothly finished, but some in-
dividuals have sporadic coarser areas; apertural face convex,
curved, the aperture a moderately high arch sunken into_ the
apertural face at its base, with an upper lip. Diameter, 0.46 mm. ;
thickness of the last chamber, 0.29 mm. Common.

This species differs from “Nonionina” latidorsata Borneman
(1855, Deutsch. Geol. Ges. Zeitschr., Berlin, Deutschland, Bd.
>, Heft 2, p. 330, pl. 16, fig. 4) in the flattened flanks, and
the narrower test in general, especially in the later portion. H.
subglobosum G. O. Sars (1910, U. S. Nat. Mus., Bull. 71, pt. 1,
p. 105, figs. 162-164, p. 106) lacks the flattened flanks of this
species and its apertural face is very low.

Holotype-—No. 4926, locality 10, Tallahatta fm., Claiborne,

Eocene.

57 STAVE CREEK FORAMINIFERA: BANDY 27
Genus AMMOBACULITES Cushman, 1910
Ammobaculites flariformis, new species Plate 38, figs. 4a-b

Test elongate, flattened, planispiral portion biumbilicate, recti-
‘linear portion oval in transverse section when well preserved ;
chambers slightly inflated, five or six in the outer whorl of the
planispiral portion, four to five in the rectilinear part; sutures
somewhat depressed; wall coarsely arenaceous; aperture round,
terminal. Length, 1.33 mm.; breadth, 0.44 mm.; thickness, 0.22
mm. Common.

This form is quite distinct in possessing a larger rectilinear
section, both in diameter and length, as compared to the plani-
spiral portion. Although the last pair of chambers of the holotype
are slightly crushed, there is still an indication of the original
ovate cross section.

Holotype-—No. 4780, locality 49, Yazoo clay, Jackson, Eo-
cene.

Ammobaculites pseudorostratus, new species Plate 3, figs. 7a-b

Test thick walled, planispiral becoming evolute, compressed,
umbilical region depressed on both sides; chambers closely ap-
pressed, about six in the final whorl, the last chamber somewhat
produced; sutures very slightly depressed; wall composed of
fine sand grains with many larger grains included, giving a
rough appearance to the wall; aperture round or oval at the end
of a short neck on the peripheral edge of the last septal face.
Length, 1 mm.; thickness, 0.22 mm, Abundant.

The absence of a carina and the smaller size of this form dis-
tinguish it from 4. rostratus Heron-Allen and Earland (1920,
Roy. Micr. Soc. Jour., London, England, ser. 3, vol. 49, pt. 4,
aie 27. fs 320).

Holotype-—No. 4781, locality 50, Yazoo clay, Jackson, Eo-
cene.

Ammobaculites subagglutinans, new species Plate 3, figs. 5a-b

Test elongate, planispiral portion close coiled with broadly
rounded edge, rectilinear portion round in section; chambers
closely appressed throughout, about six in the last whorl of the
planispiral portion, two or three in the rectilinear part; sutures
flush, very indistinct; surface rough, covered with angular sand

28 BULLETIN 131 58

grains; aperture simple terminal opening. Length, 1.2 mm.;
thickness, 0.44 mm. Common.
This species differs from A. agglutinans (d’Orbigny) in the
more appressed chambers and in being round rather than oval in
transverse -section.
Holotype.—No. 4782, locality 66, Marianna limestone, Vicks-

burg, Oligocene.
Ammobaculites yazooensis, new species Plate 3, figs. 6a-b
Test elongate, planispiral portion small with broadly rounded

edge, rectilinear portion oval to round in well-preserved speci-
mens ; five to six chambers in planispiral portion, slightly inflated ;°
four to six chambers in the rectilinear portion, somewhat inflated,
becoming smaller in diameter toward the apertural end; su-
tures slightly depressed throughout; wall coarsely arenaceous ;
aperture terminal. Length, 0.83 mm.; breadth, 0.26 mm.; thick-
ness, 0.20 mm. Common.

A. formosensis Nakamura (1937, Japanese Jour. Geol.,
Trans. Abstr., vol. 14, p. 133, pl. 10, fig. 1a-b) is very similar
to this form, However, this species tapers toward the apertural
end and the planispiral portion is not so flattened as in Naka-
mura’s species. There is also some similarity between this form
and A. midwayensis Plummer (1933, Texas Univ. Bull., No.
3201), but this species, though coarsely arenaceous, is much
more smoothly finished than Plummer’s species and is almost
round in transverse section.

Holotype—No. 4783, locality 49, Yazoo clay, Jackson, Eo-
cene.

Family ATAXOPHRAGMIID Schwager, 1877

Genus DOROTHIA Plummer, 1931
Dorothia heteroclita, new species Plate 3, figs. 1la-b

Test elongate, about twice longer than wide, stout, greatest
width above the middle or near the apertural end in young speci-
mens, apertural end truncate, apex rather bluntly pointed, near-
ly circular in cross section; chambers closely appressed, early
whorls with four or five chambers to the whorl becoming tri-
serial in the middle portion of the test, and with one or two
pairs of liseriat chambers in the adult; sutures nearly flush in
the early portion, slightly depressed in the later part, somewhat
oblique; wall smoothly arenaceous with considerable calcareous

59 STAVE CREEK FORAMINIFERA: BANDY 29

cement; aperture a rather low arched opening at the base of the
last septal face in a broad re-entrant. Length, 1.00 mm.; great-
est breadth, 0.50 mm.; thickness, 0.41 mm. Rare.
The very short biserial section, the somewhat fusiform out-
line of the test, and the smoothly finished surface are distinctive.
Holotype-—No. 4880, locality 58, Jackson, Eocene.

Genus GAUDRYINA d’Orbigny, 1839
Gaudryina gardnere Cushman Plate 3, figs. 9Ya-c
Gaudryina gardnere Cushman, 1926, Contr. Cushman Lab, Foram. Res.,
vol. 2, p. 338, pl. 5, figs. 2a-b. upper Hocene, Ala.; 1937, Cushman
Lab, Foram. Res., Special Publ. 7, p. 51, pl. 8, figs. 2, 3 upper Hocene,
Gulf Coastal Plain, U. 8S. and Mex.

Test elongate, early portion triserial and trihedral, the angles
somewhat rounded, sides flattened or slightly convex, the later
portion biserial with straight sides, round tending toward poly-
gonal in transverse section; chambers indistinct, especially in
the early portion; sutures flush and indistinct in the early part,
slightly depressed in the biserial part and more distinct; wall
rather coarsely arenaceous; aperture a low rounded or arched
opening at the base of the last septal face. Length, 0.81 mm.;
maximum diameter, 0.38 mm. Rare.

Plesiotype-—No. 4891, locality 46, Yazoo clay, Jackson, Eo-
cene.

Gaudryina (Pseudogaudryina) jacksonensis Cushman
Plate 3, figs. 10a-b

Gaudryina jacksonensis Cushman, 1926, Contr. Cushman Lab, Foram.
Res, vol. 2, p. 33, pl. 5, fig: 1. upper Eocene, S. C., Ala., Miss., Ala-
zan clay, Mex.

Gaudryina (Pseudogaudryina) jacksonensis Cushman, 1946, Cushman
Lab. Foram. Res., Special Publ. 16, p. 4, pl. 1, fig. 5 upper Eocene,
Ala.

* Test large, elongate, irregularly triangular in section, angles
subacute, triserial portion short; biserial portion angular, angles
almost carinate; chambers distinct, very slightly inflated; su-
tures distinct, slightly depressed; wall composed of fine sand
grains with a large amount of cement, surface smoothly finished ;
aperture a small arch at the base of a semicircular re-entrant in
the last septal face. Length, 0.73 mm.; maximum breadth, 0733
mm. Abundant. ie

Plesiotype—No. 4892, locality 58, Jackson, Eocene.
Gaudryina stavensis, new species Plate 3, figs. 8a-b

Test elongate, tapering, enlarging rather abruptly at the ini-
tial end which is roughly triangular in cross section, enlarging
‘more gradually toward the apertural end, triserial portion com-

30 BULLETIN 131 60

prising about one-fifth of the test, the biserial portion somewhat
polygonal or rounded in cross section with five or six pairs of
chambers; sutures slightly depressed, nearly transverse; wall
of coarse arenaceous material roughly finished largely obscur-
ing the sutures; aperture a low arched opening on the inner mar-
gin of the last septal face. Length, 1.20 mm.; diameter, ca. 055
mm. Common.

G. gardnere Cushman is similar to this species; however, the
triserial portion of this species is much shorter, not so well de-
fined. This form was apparently derived from G. gardnere by
the acceleration out of some of the triserial portion. G. quadran-
gularis Bagg (1008, Proc. U. S. Nat. Mus., vol. 34) tapers more
abruptly throughout to the initial end and has much lower
chambers. Young specimens of this species may appear some-
thing like Bagg’s species.

Holotype-—No. 4893, locality 64, Mint Spring marl, lower
Oligocene.

Genus LIEBUSELLA Cushman, 1933
Liebusella byramensis turgida (Cushman) Plate 3, figs. 12a-b

Clavulina byramensis turgida Cushman, 1923, U. S. Geol. Sur., Prof.
Paper 133, p. 22, pl. 2, figs. 4, 5, Vicksburg, Oligocene, Miss., Ala.

Liebusella byramensis turgida, Cushman, 1946, Cushman Lab, Foram,
Res., Special Publ. 16, p. 5, pl. 1, figs. 8-10, upper Eocene. Ala.

Test elongate, subcylindrical, the early chambers. triserial,
forming but a small portion of the test, later ones uniserial, both
portions rounded; chambers in the uniserial portion variable
in number, four to eight usually; wall of test thick, composed of
agglutinated foreign particles, not labyrinthic or vesicular; in-
terior of chambers in transverse section with indefinite radial
projections extending inward a short distance, but the chamber
interiors are not labyrinthic; surface arenaceous with a great
deal of cement, smoothly finished; aperture round, terminal and
central at the end of a tapering necklike projection of the last
chamber, Length of figured specimen, 1.93 mm.; diameter, 0.62
mm. Common.

Plesiotype—No. 4938, locality 58, Jackson, Eocene.

Genus KARRERIELLA Cushman, 1933

Karreriella advena (Cushman) Plate 4, figs. 2a-b
Gaudryina advena Cushman, 1923, U. 8S. Geol. Sur., Prof, Paper 133s

61 STAVE CREEK FORAMINIFERA: BANDY 31

p. 22, pl. 3, fig. 1, Vicksburg, Oligocene, Miss.

Karreriella advena Cushman, 1937, Cushman Lab. Foram. Res., Special
Publ. 8, p. 130, pl. 15, fig. 10; Cushman and Todd, 1948, Contr. Cush-
man Lab. Foram. Res., vol. 24, p. 8 (list), pl. 1, fig. 2, Red Bluff
clay, lower Oligocene, Miss.

Test elongate, tapering, somewhat compressed, greatest
breadth near the apertural end, early portion triserial, the later
part biserial; chambers slightly inflated in the later portion,
closely appressed in the early part; sutures slightly depressed ;
wall arenaceous with a smooth finish; aperture in adult elongate
horizontally with a distinct lip and located above the base of the
last septal face. Length, 1.04 mm.; breadth, 0.41 mm; _thick-
ness, 0.29 mm. Rare.

Plesiotype—No. 4929, locality 58, Jackson, Eocene. There
are other specimens from this locality, but they are not com-
mon.

Genus LISTERELLA Cushman, 1933

Listerella petrosa Cushman and Bermudez Plate 4, figs. la-b

Listerella petrosa Cushman and Bermudez, 1937, Contr. Cushman Lab.
Foram. Res., vol. 13. p. 6, pl. 1, figs. 24-26, Hocene, Cuba; Cush-
man, 1937, Cushman Lab, Foram. Res., Special Publ. 8, p. 139, pl. 16,
figs. 26-28.

Test elongate, slender, slightly enlarging as chambers are add-
ed, early triserial portion triangular in section, angles rounded,
sides flattened; chambers distinct except in the early portion,
about six or seven in the uniserial part; sutures indistinct in
the triserial portion, depressed in the uniserial portion; wall
coarsely arenaceous, calcareous; surface roughly finished; aper-
ture terminal, rounded, small, with tapering neck. Length, 2.18
mm.; diameter, 0.44 mm. Rare.

This form is more smoothly finished than the type, and the
neck is slightly better developed in some specimens.

Plesiotype —No. 4940, locality 58, Jackson, Eocene.

Genus PSEUDOCLAVULINA Cushman, 1936
Pseudoclavulina cocoaensis Cushman Plate 4, figs. 3a-b
Pseudoclavulina cocoaensis Cushman, 1936, Cushman Lab, Foram, Res.,
Special Publ. No. 6, p. 18, pl. 3, figs, 6a-b, upper Eocene, Ala.; 1937
Cushman Lab. Foram. Res., Special Publ. 7, p. 114, pl. 15, figs. 29-31;

1948, Contr. Cushman Lab. Foram. Res., vol. 24, table p. 6, pl. 1,
fig. 1, Red Bluff, lower Oligocene, Miss,

Test small, composed of few chambers, early triserial portion
of a few chambers, edges broadly rounded, sides somewhat
flattened ; uniserial portion comprising major portion of test in

Be BULLETIN 131 62

most specimens, rounded with depressed sutures; wall finely
arenaceous, of calcareous grains, with considerable cementing
material, smoothly finished; aperture terminal, round, with a
low rim. Length, 0.49 mm.; diameter of last chamber, 0.14 mm.
Common. .

Plesiotype.-—No. 40987, locality 58, Jackson, Eocene.

Genus CLAVULINOIDES Cushman, 1936

Clavulinoides guayabalensis (Cole) Plate 4, figs. 4a-b
Clavulina guayabalensis Cole, 1927, Bull. Amer. Paleont., vol, 14, p.-13,
pl. 1, fig. 11. Guayabal, middle Eocene, Mex.
Clavulinoides guayabalensis Howe, 1939, Louisiana Dept. Cons., Geol.
Bull, 14, p. 33, pl. 2, figs. 11, 12. Cook Mt.,-Claiborne, Hocene, La.
Test elongate, triangular in section, tricarinate; triserial por-
tion short, expanding rapidly to form the uniserial portion, the
sides of the uniserial portion parallel and composed of three to
about six chambers; wall composed of relatively coarse sand
grains with a large amount of cement, giving a smooth finish to
the test; sutures rather indistinct, aperture terminal, round with
a slight raised lip. Length, 1.44 mm.; breadth, about 0.44 mm.
Abundant.
Plesiotype-—No. 4857, locality 31, Lisbon fm., Claiborne, Eo-
cene.

Family TEXTULARIIDZ d’Orbigny, 1846
Genus SPIROPLECTAMMINA Cushman, 1927
Spiroplectammina alabamensis (Cushman) Plate 4, figs. 5a-b
Textularia mississippiensis alabamensis Cushman, 1923, U. S. Geol. Sur.,
Prof. Paper 133, p. 17, pl. 1, fig. 4, middle Oligocene, Ala.
Spiroplectammina alabamensis Stuckey, 1946, Jour, Paleont., vol. 20,
p. 164, pl. 29, figs. 4, 5. i
Test elongate, fairly broad, thickest in the middle, biconvex in
end view; edge acute, usually with a very narrow carina; cham-
bers low and broad in the early stages, becoming somewhat high-
er in the adult chambers; sutures depressed, especially in the
later half of the test, curved; wall finely arenaceous, with much
cement, smoothly finished; aperture a low arched opening at
the base of the septal face. Length, 0.78 mm.; breadth, 0.51
mim. ; thickness, 0.22 mm. Common.
The depressed sutures and the thicker form are very diag-
nostic of this species. There is considerable variation in the

63 STAVE CREEK FORAMINIFERA: BANDY 33

amount of taper, some specimens are slightly narrower and more
elongate.

Plestotype-—No. 5035, locality 66, Marianna ls., Vicksburg,
Oligocene.

Spiroplectammina alabamensis diminutiva, new variety
Plate 4, figs. 8a-b

Test small, fairly broad, thickest in the middle, rhomboidal in
end view ; periphery with a poorly developed carina; edge sharp;
planispiral portion minute, scarcely showing the spire; chambers
low and broad in the early biserial part, the last few somewhat
higher; sutures slightly depressed, curved; wall finely arena-
ceous, smoothly finished; aperture a small arched opening at
the base of the last septal face in a distinct re-entrant in the
septal face. Length, 0.46 mm.; breadth, 0.30 mm. thickness,
0.17 mm. Common.

The Lisbon variety is a small form which is fairly common at
locality 31. It is somewhat more biconvex in end view and com-
paratively thicker than the species.

Holotype.—No, 5036, locality 31, Lisbon fm., Claiborne, Eo-
cene.

Spiroplectammina gracilenta, new species Plate 4, figs. Ta-b

Test very elongate, thin, with bluntly rounded apex, flatten-
ed rhomboidal in cross section; edges gradually expanding;
chambers planispirally arranged in the early portion, biserial
for 9/10 of the length, about 10 pairs in the rectilinear por-
tion, somewhat loosely appressed and becoming rather inflated
in the later portion; periphery decidedly lobulate in the upper
half of the test, edge sharp; sutures flush in the early part, be-
coming depressed in the upper portion of the test; aperture a
small low arch at the base of the last septal face, at the inner
margin in a slight re-entrant. Length of holotype, 0.69 mm. ;
breadth, 0.28 mm.; thickness, 0.11 mm. Rare.

S. alabamensis (Cushman) is much broader and has a flange
or carina; this form is much more elongate, more compressed,
has no carina, and is lobulate in the later portion of the test.

Holotype.—No. 5037, locality 58, Jackson, Eocene.

Spiroplectammina latior, new species Plate 4, figs. 6a-b
Test elongate, about twice longer than broad, flattened, thick-

34 ' BULLETIN 131 64

est along the median line, early coiled portion broadly rounded
in outline, sides of the rectilinear portion nearly parallel; edge
sharp, with narrow carina; about eight pairs of chambers in
the rectilinear portion; sutures depressed but not along the
median zone, nearly transverse, slightly curved; wall finely arena-
ceous, smoothly finished; aperture a low arch at the base of
the septal face. Length, 0.76 mm.; breadth, 0.39 mm. ; thickness,
0.18 mm. Common.

Spiroplectammina howei Stuckey (1946, Jour. Paleont., vol.
20) differs in having a thickened limbate median line and in the
conspicuous arenaceous character of the sutures.

Holotype.—No. 5038, locality 64, Mint Spring marl, Vicks-
burg, Oligocene.

Spiroplectammina mississippiensis (Cushman) Plate 4, figs. 10a-b
Textularia mississippiensis Cushman, 1922, U. 5. Geol. Sur., Prof, Paper
129-H, p. 90, pl. 14, fig. 4 middle Oligocene, Miss.; 1935, U. S.
Geol, Sur., Prof, Paper 181, p. 7, pl. 1, figs. 3, 4 upper Eocene, Miss.,

Sapient mississippiensis Cushman and Todd, 1945, Contr.
Cushman Lab, Foram. Kes,, vol. 21, p. 80, pl. 13, fig. 1 Moody marl
member, Jackson, Eocene, Miss.; Stuckey, 1946, Jour. Paleont., vol.
20; ps L635 pls 295 fies: 16) dae?)

Test elongate, kite shaped, broad, thickest in the middle, bi-
convex in end view; periphery irregularly carinate; edge acute;
chambers low and broad, especially in the early stages, becoming
higher in the adult and often less broad so that the test may
become slightly narrower at the apertural end; sutures covered
by coarser arenaceous material, appearing darker than the cham-
ber walls; chamber walls smoothly finished; aperture a small
arched opening at the base of the last septal face. Length, 0.51
mm.; breadth, 0.32 mm.; thickness, 0.13 mm. Common.

Plesiotype-—No. 5039, locality 58, Jackson, Eocene.

Spiroplectammina pseudoelongata, new species Plate 4, figs. 9a-b
(2?) Textularia mississippiensis elongata Davis, 1941, Jour. Paleont.,
vol. 15, p. 151, pl. 24, figs. 21 a, b Whitsett, Jackson, Eocene, Tex,

Test very elongate, compressed, gradually tapering to round-
ed initial end; coiled portion small, composed of about five
chambers, biserial chambers low, closely appressed, about 10
on a side; edge sharp, periphery even, slightly lobulate in the
later portion, with narrow carina; sutures slightly raised, arena-
ceous, strongly curved downward near the periphery, zigzag

65 STAVE CREEK FoRAMINIFERA: BANDY 35

along the middle; wall thin, appearing nearly transparent, ex-
tremely finely arenaceous, with much calcareous cement; sur-
face ornamentation consisting only of the white, arenaceous su-
tures and carina; aperture nearly circular at the base of the
last septal face surrounded by a rim. Length, 0.85 mm.; breadth,
6.33 mm.; thickness, 0.11 mm. Abundant.

Davis’s name has been preoccupied several times and is hence
not valid. His type may be somewhat more compressed and there
is little to indicate the nature of the early coiled portion. The two
forms are probably identical. S. howei Stuckey (1946, Jour.
Paleont., vol. 20) is much larger, broader, less tapered, with a
relatively larger, more ragged carina.

Holotype-—No. 5040, locality 47, Yazoo clay, Jackson, Eo-
cene.

Genus TEXTULARIA Defrance, 1824
Textularia adalta Cushman Plate 4, figs. 18a-b, 14a-b
Textularia adalta Cushman, 1926, Contr, Cushman Lab. Foram. Res.,
vol. 2, p. 29, pl. 4, figs. 2 a, b upper Eocene, Ala.; Bergquist, 1942,
Mississippi State Geol. Sur,, Bull. 49 (Fossils), p. 11, pl. 1, figs. 7, 9
upper Eocene, Miss.

Test very elongate, slender, early portion gradually tapering
and compressed, adult portion thicker with nearly parallel sides ;
chambers 10 or more on a side, the later five to nine making up
half of the test, earlier ones indistinct, low and broad, later ones
more inflated, higher; sutures distinct, especially in the later
portion where they are somewhat depressed, usually oblique;
wall finely arenaceous, slightly roughened; aperture a high
arched opening in the central part of the base of the last cham-
ber, with a slight, indistinct upper lip. Length of largest specimen,
1.75 mm.; breadth, 0.40 mm.; thickness, 0.29 mm. Abundant.

The more gradually tapering initial end and the greater in-
fiation of the chambers distinguish this from T. recta Cushman
@1023, U.75,.Geol, Suc) Prof, Paper139)):

Plesiotype—No. 5041, locality 49; plesiotype, No. 5042, le-
cality 58, Jackson, Eocene.

Textularia claibornensis Wienzierl and Applin Plate 4, figs. 15a-b

Textularia claibornensis Weinzier! and Applin, 1929, Jour, Paleont.,

vol. 3, p. 392, pl. 44, figs. 1 a, b Claiborne, Eocene, Tex.; Davis,
1941, Jour, Paleont., vol. 15, p. 147, pl. 24, figs. 5 a, b, 6 middle
Eocene, Tex.

36 ; BULLETIN 131 66

Test elongate, rounded or oval in section in the later part,
compressed somewhat in the early portion; chambers in the
early portion low, those in the later half much higher, distinct,
inflated; sutures indistinct in the early part of the test, distinct
and slightly depressed in the later portion; walls smooth, finely
arenaceous with much cement; aperture a broad rather deep
arched opening at the base of the last septal face. Length, 0.go0
mm.; breadth, 0.40 mm.; thickness, 0.36 mm. Common.

_ Plesiotype—No. 5043, locality 39, Gosport fm., Claiborne,
Eocene.

Textularia dibollensis Cushman and Applin Plate 4, figs. 12a-b

Teatularia dibollensis Cushman and Applin, 1926, Bull. Amer. Assoe.
Petr. Geol., vol. 10, p. 165, pl. 6, figs. 12-14 upper Eocene, Texas;
Cushman, 1935, U. S. Geol. Sur., Prof. Paper 181, p. 8, pl. 1, figs.
13-16 upper Hocene, Fla., Ala., Tex.; Cushman and Herrick, -1945,
Contr. Cushman Lab. Foram. Res., vol. 21, p. 56, pl. 9, fig, 4 MeBean
fm., Eocene, Ga.

Test small, short, broad, suboval, moderately compressed,
initial end rounded, apertural end broadly truncate; margin
rounded; chambers about seven pairs, rapidly increasing in
breadth as added, becoming high in adult with nearly parallel
sides, the later four chambers making up about half of the
test; sutures somewhat indistinct, nearly straight, especially in
the later portion; wall finely arenaceous, rather smoothly
finished; aperture a low broad arch at the inner margin of the
last septal face. Length, 0.49 mm.; breadth, 0.25 mm. ; thickness,
0.16 mm. Rare.

Plesiotype-—No. 5044, locality 47, Yazoo clay, Jackson, Eo-
cene.

Textularia dibollensis humblei Cushman and Applin
Plate 4, figs. 17a-b

Teatularia dibollensis humblet Cushman and Applin, 1926, Bull. Amer.
Assoc. Petr. Geol., vol. 10, p. 165, pl. 6, fig. 9 upper Hocene, Texas;
Bergquist, 1942, Mississippi State. Geol. Sur,, Bull. 49 (Fossils),
p. 13, pl. 1, fig. 13 upper Eocene, Miss.

Test tapering with greatest breadth near the apertural end,
moderately compressed, elongate ; edge narrowly rounded ; cham-
bers increasing rapidly in breadth as added, closely appressed ;
sutures distinct, somewhat depressed, nearly straight; wall very
finely arenaceous, with much cement; aperture a broad low arch

67 STAVE CREEK FoRAMINIFERA: BANDY

On
NI

at the base of the last septal face. Length, 1.08 mm.; breadth,
0.42 mm.; thickness, 0.20 mm. Common.

The specimens of this species from Little Stave Creek seem
to correspond closely with the type form, being perhaps not so
broad and the sutures more depressed.

Plesiotype-—No. 5045, locality 52, Jackson, Eocene.

Textularia dibollensis stavensis, new variety Plate 4, figs. lla-c

Test small, short, broad, moderately compressed in the early
portion, nearly circular in cross section in the adult portion,
initial end rather acute, apertural end truncate; edge of the
early part subacute, adult chambers round; periphery smooth,
becoming slightly lobulate in the later part; chambers six to
eight pairs, somewhat indistinct, rapidly increasing in breadth as
added in the early part, nearly equal in the later portion; sutures
indistinct, nearly flush with the surface, at right angles to the
peripheral margin; wall finely arenaceous, locally somewhat
coarser; aperture a rather wide arched opening at the inner
margin of the last-formed chamber, the apertural face of the
chamber evenly rounded. Length of holotype, 0.61 mm.; breadth
of apertural end, 0.27 mm.; thickness, 0.25 mm. Common.

This variety is distinguished by the nearly circular apertural
end whereas 7. dibollensis Cushman and Applin is considerably
more flattened.

Holotype-—No. 5046, locality 32, Lisbon formation, middle
Eocene.

Textularia distincta (Cushman) Plate 4, figs. 16a-b

Spiroplectammina mississippiensis distiveta Cushman, 1946, Cushman

Lab. Foram. Res., Special Publ. 16, p. 3, pl. 1, figs. 1, 2 upper Eocene,
Ala.

Test very elongate, tapering rather gradually, rhomboidal in
end view; chambers low, not inflated, about 12 pairs with no in-
dication of a coil at the apex; sutures slightly depressed in the
later part, flush in the early part, covered with very finely arena-
ceous material, becoming rather strongly turned downward near
the edge; periphery with wide flange, irregular; aperture an
arched opening at the base of the septal face in a distinct re-en-

Oo
e/a)

BULLETIN 131 68

trant, Length, 0.81 mm.; breadth, 0.43 mm.; thickness, 0.19 mm.
Common.
This species is much like Spiroplectammina pseudoelongata,
n. sp. but lacks the spiral juvenarium and has a wide flange.
Plesiotype.—No. 5047, locality 60, Jackson, Eocene.
Textularia hannai Davis Plate 5, figs. la-b

Textularia hannai Davis, 1941, Jour. Paleont., vol. 15, p. 149, pl. 24,
figs. 11-13, 19 Yegua fm., middle Eocene, Texas; Cushman and
Herrick, 1945, Contr. Cushman Lab. Foram. Res., vol. 21, p. 57, pl.
9, fig. 5 MeBean fm., Hocene, Ga.

Test fairly short, apex bluntly pointed, oval in end view ; cham-
bers about seven pairs, steadily or abruptly increasing in size
after the first four pairs; sutures indistinct in the early stages
and slightly oblique, depressed and approximately transverse in
the later portion; wall very finely arenaceous, with much ce-
ment; periphery rounded; aperture a long opening at the base
of the last chamber, Length, 0.59 mm.; breadth, 0.34 mm. ; thick-
ness, 0.24 mm. Rare.

These specimens are smaller than the type as reported. How-
ever, not sufficient specimens were found to determine the amount
of variation in size. .

Plesiotype.—No. 5048, locality 40, Moodys marl member,
Jackson, Eocene.

Textularia ouachitaensis Howe and Wallace Plate 5, figs. 2a-b

Teatularia owachitaensis Howe and Wallace, 1932, Louisiana Dept. Cons.

Geol. Bull., No. 2, p. 20, pl. 1, figs. 1 a, b upper Eocene, La.; Berg-
quist, 1942, Mississippi State Geol. Sur., Bull, 49 (Fossils), p: 16,
pl. 1, figs. 11 a, b upper Eocene, Miss.

Test small, elongate, tapering, nearly circular in transverse
section; chambers six or eight pairs, those of the later part slight-
ly inflated ; sutures slightly depressed in the later part, transverse
sometimes obscure; wall arenaceous, roughly finished; aperture
a small arch at the base of the last septal face in a distinct re-en-
trant. Length, 0.61 mm.; breadth, 0.30 mm.; thickness, 0.20
mm.. Common.

Plesiotype—No. 5049, locality 58, Jackson, Eocene.

Genus VULVULINA VOrbigny, 1826
Vulvulina advyena Cushman Plate 5, figs. 3a-b, 4a-b

Vulvulina advena Cushman, 1926, Contr. Cushman Lab. Foram, Res.,
vol. 2, p. 32, pl. 4, figs. 9 a, b upper Eocene, Ala.; (?) Cushman,

69 STAVE CREEK FORAMINIFERA: BANDY 39

1939, Contr. Cushman Lab. Foram. Res., vol, 15, p. 50, pl. 9, figs.
9, 10 lower Oligocene. ;

Test compressed, elongate, periphery acute but not keeled;
early chambers planispiral then immediately biserial, later cham-
bers uniserial, as many as five in the uniserial portion; later
chambers of the uniserial portion becoming slightly inflated; su-
tures of the biserial portion flush with the surface, the whole
early portion smooth, in the later portion the sutures are de-
pressed; wall smoothly finished, each angle of the chambers at
the periphery with a short spinose projection, even in the uni-
serial portion; aperture terminal, elongate and narrow, Length,
0.75 mm.; breadth, 0.40 mm.; thickness, 0.10 mm. Common.

Plesiotype-—No. 5070, figs. 3a-b, and plesiotype, No. 5071,
figs. 4a-b, locality 58, Jackson, Eocene.

Family NODOSARIIDZE Schultze, 1854
Genus SARACENARIA Defrance, 1824
Saracenaria béttcheri (Reuss) Plate 5, figs. 5a-b, 6a-b
Cristellaria béttchert Reuss, 1863, K. Akad. Wiss., Math.-Naturw. Cl.,
Sitzber., Wien, Osterreich, Bd. 48, Abt. 1, p. 49, pl. 3, figs. 38-42
Oligocene, Germany.

Test elongate, triangular in cross section, early portion close-
coiled, later portion uncoiled; chambers numerous, five to eight
in number, those of the rectilinear portion somewhat inflated ;
outer periphery smooth or slightly lobulate, inner periphery lobu-
late; edge rounded; sutures in the coiled portion radial, nearly
straight, flush with the surface; wall calcareous, smooth, finely
perforate; aperture terminal, round, radiate, with about six
radial teeth, usually located at the peripheral margin of the last
chamber. Length of the larger specimen, 0.90 mm.; breadth,

‘

0.23 mm.; thickness, 0.17 mm, Common.

The terminal chambers of the elongate forms tend to become
distorted. Because of the trihedral character, this form belongs
under Saracenaria.

Plesiotype—No. 5019 (Figs. 6a-b); plesiotype, No. 5072
(young specimen, Figs. 5a-b), locality 59, Jackson, Eocene.
Saracenaria moresiana Howe and Wallace Plate 5, figs. Ta-b

Saracenaria moresiana Howe and Wallace, 1952, Louisiana Dept. Cons.,
Geol. Bull., No. 2, p. 42, pl. 2, fig. 8 upper Kocene, La.

Test short, robust, triangular in cross section; edge angular ;
apertural face inflated, the three sides subequal, the outer

40 BULLETIN I31 70

two slightly convex, the inner face nearly flat; chambers few,
ahout six to eight visible, each succeeding chamber being
broader; sutures distinct, flush in the early part, slightly
depressed in the later part, slightly curved; surface smooth, aper-
ture, round, radiate, slightly projecting. Length, 0.88 mm.;
breadth of test, 0:60 mm.; thickness of test, 0.56 mm. Abundant.
Plesiotype-—No. 5020, locality 58, Jackson, Eocene.
Saracenaria ornatula Cushman and Bermudez Plate 5, figs. 8a-b

Saracenaria ornatula Cushman and Bermudez, 1937, Contr. Cushman Lab.
Foram. Res., vol. 13, p. 11, pl. 1, fig. 35 Eocene, Cuba.

Test elongate, triangular in end view, coiled portion fairly
small, rectilinear portion forming most of the test; angles acute,
ventral face concave, the other two faces slightly convex or flat;
chambers distinct, increasing rapidly in size as added, especially
in the rectilinear portion; sutures fairly distinct, raised, the earlier
ones with a series of short, rounded spines, later ones forming
raised coste which project at the ventral margin into short
spines ; wall smooth except for the ornamentation of the sutures ;
aperture round, produced, radiate, at the outer edge of the septal
face. Length; 1.15 mm.; breadth, 0.57 mm.; thickness, 0.57 mm.
Abundant.

Plesiotype.-—No. 5021, locality 58, Jackson, Eocene.
Saracenaria ornatula regia, new variety Plate 5, figs. 9a-b

Test large, elongate, coiled portion prominent, thin; rectilinear

portion triangular in end view; angles acute, ventral face slightly
convex, the other two sides also slightly convex; edge carinate ;
chambers distinct, increasing gradually in size as added; sutures
distinct, beaded in the early portion, becoming thickened and
raised in the later part, forming coste which grade from flush
on the peripheral margin to prominent ribs on the inner margin,
where they project slightly; sttrface smooth excepting for the
sutural ornamentation and the low longitudinal coste; the coste
are much reduced in some individuals, and the beading of sutures
more pronounced farther upon the rectilinear portion; aperture
round, radiate, with slight extension downward, at the outer
margin of the septal face. Length, 1.17 mm.; breadth, 0.46 mm. ;
thickness, 0.51 mm. Not common.
This variety is easily distinguished by the large, much com-

Ce ee ee

in

71 STAVE CREEK FORAMINIFERA: BANDY 41

pressed coiled portion and the longitudinal coste.
Holotype-—No. 5022, locality 58, Jackson, Eocene.

Saracenaria stavensis, new species Plate 5, figs. 10a-b

Test robust, triangular in transverse section, outer edge acute,
tending to be carinate; chambers about 10 visible, closely ap-
pressed, early chambers in a complete coil, later chambers evo-
lute, slanting toward the coiled portion; sutures flush or slightly
depressed toward the inner side; surface smooth; apertural face
broad, slightly convex, the inner face concave, inner angles pro-
jecting ; aperture radiate, at the outer margin of the septal face,
projecting slightly, with about six teeth, and a narrow slit ex-
tending into the apertural face. Length, 0.85 mm.; thickness of
last chamber, 0.40 mm. Common.

This species differs from S. hantkent Cushman (1933, Contr.
Cushman Lab. Foram. Res., vol. 9) and S. moresiana Howe and
Wallace in the concave inner face. Some of the Oligocene forms
compared with other species may belong here.

Holotype-—No. 5023, locality 65, Mint Spring marl, Vicks-
burg, Oligocene.

Genus ASTACOLUS Montfort, 1808

Astacolus danvillensis (Howe and Wallace) Plate 5, figs. 11la-b
Planuiaria danvillensis Howe and Wallace, 1932, Louisiana Dept. Cons,,
Geol. Bull., No. 2, p.. 36, pl. 3, fig. 1 Jackson, Eocene; Bergquist,
1942, Mississippi State Geol. Sur., Bull. 49 (Fossils), p. 34, pl. 3,
fig. 10 upper Eocene, Miss.

Test planispiral,- compressed, elongate, the early portion bi-
umbonate, coiled, later part becomirig evolute; chambers closely
appressed, numerous, I2 or more, as many as 20 or 25 when
ali of the early chambers can be seen; periphery keeled for the
first 8 to 10 chambers in adult specimens; edge sharp; sutures
clear, broad, and moderately curved, more so toward the outer
periphery in the evolute portion; surface smooth, aperture ter-
minal, at the outer end of the last chamber, round, radiate.Length,
1.31 mm.; thickness, 0.13 mm. Common.

This species and other similar forms rightfully belong under
Astacolus (see type, A. crepidulus (Fichtel and Moll) Montfort,
1808, Conch. Syst., vol. 1, p. 262) which is planispiral in the
early portion becoming evolute in the later portion, particularly
the outer margin, with the chambers very oblique and reaching

@

42 BULLETIN ABT 72

back, or nearly back, to the involute portion. The genus Planu-
laria should be restricted to those species similar to the type
(P. auris Defrance, 1824, Dict. Sci, Nat., vol. 32, p. 178; see
Galloway, Manual of Foraminifera, for reproduction of the
original figure). In the literature, many species of Planularia
are wrongly placed under Vaginulina.
Plesiotype-—No. 4795, locality 58, Jackson, Eocene.
Astacolus sublituus (Nuttall) Plate 5, figs. 13a-b
Cristellaria sublituus Nuttall, 1932, Jour, Paleont., vol. 6, p. 11, ‘pl.
1, figs, 13, 14 lower Oligocene, Mex.
Astacolus sublituus Galloway and Heminway, 1941, New York Acad.
Sci., Sci. Survey of Porto Rico and the Virgin Islands, vol. 3, pt. 4,
p- 335, pl. 8, figs. 11 a, b Oligocene, Porto Rico.

Marginulina sublituus Bergquist, 1942, Mississippi State Geol. Sur-,
Bull. 49, (Fossils), p. 38, pl. 4, figs. 1, 3 upper Eocene, Miss.

Test elongate, much compressed; edge subacute, sharper on
the back, espectally in the early part; early part with a narrow
keel which extends about halfway up the test in most specimens ;
chambers distinct, enlarging gradually in length, the last two
or three not reaching back to the preceding whorl; sutures nar-
row, oblique, flush, very slightly limbate; aperture terminal,
round, radiate, nearly in the middle of the last chamber. Length,
0.62 mm.; breadth, 0.19 mm.; thickness, 0.08 mm. Common.

Plesiotype—No. 4796, locality 58, Jackson, Eocene.,

Genus HEMICRISTELLARIA Stache, 1864
Hemicristellaria costifera (Cole) Plate 5, figs. 14a-b

Vaginulina costifera Cole, 1927, Bull, Amer. Paleont., vol. 14, No. 51,
p- 20, pl. 2, fig. 16 Guayabal, middle Hocene, Mex,

Test small, elongate, flattened, early portion planispirally coil-
ed, later part uncoiled with the sutures tending to become
transverse; chambers about three in the linear portion; sutures
indistinct, somewhat oblique in the uncoiled portion; surface with
prominent cost, four to six on a side, continuous across the
sutures ; aperture at the end of a’small neck, on the outer edge
of the septal face, radiate. Length, 0.41 mm.; breadth, 0.19
mm.; thickness, 0.09 mm. Rare.

A single specimen was found which seems referable to this
species. The species is included in Hemicristellaria since the type
Vaginulina has no early coiled portion.

Plesiotype.—No. 4927, locality 58, Jackson, Eocene.

73 STAVE CREEK FORAMINIFERA: BANDY 43

Hemicristellaria gladius (Philippi) Plate 5, figs. 17a-b
Marginulina gladius Philippi, 1843, Beitr. Kennt. Nordwest Deutsch-
lands, p. 40, pl. 1, fig. 37; Cushman, 1939, Contr. Cushman Lab.
Foram. Res., vol. 15, p. 54, pl. 9, fig. 32 Eocene; off the eastern
coast of N. A,

Test large, elongate, compressed; coiled portion fairly large,
most of the test evolute with the sutures somewhat oblique, but
tending to become at right angles to the axis of the test; test
flattened to ovate in transverse section, abruptly rounded on the
margins; chambers closely appressed, not inflated excepting the
last one or two; sutures flush with the surface, distinct and some-
what limbate; wall smooth, finely perforate; aperture produced,
at the outer margin: of the last chamber, radiate. Length, 1.05
mm.; breadth, 0.40 mm.; thickness of the last chamber, 0.22
mm. Common,

Plesiotype-—No. 4928, locality 58, Jackson, ‘Eocene.

Genus PLANULARIA Defrance, 1824
Plenularia stavensis, new species Plate 5, figs. 12a-b

Test large, strongly compressed, parallel sides ; edges flattened,
broad, extending bevond the side wall of the test, forming a
raised rim around each side of the entire test excepting for
the border of the apertural face; chambers numerous, about 12
to 15 in number, increasing very gradually in height as added,
fairly rapidly in breadth; sutures oblique, not strongly curved,
thickened somewhat and in some individuals raised slightly ; wall
mostly smooth excepting for the raised rim which borders the
test on each side at right angles to the plane of coiling, the
slightly raised sutures in some cases, and an inflation of later
chambers in some older individuals; aperture at the outside
margin of the last septal face, round, radiate. Length, 1.35 mm. ;
breadth, 0.55 mm.; thickness, 0.13 mm. Rare.

This species differs from P. cubensis Bermudez (1937, Soc.
Cubana Hist. Nat., Mem., vol. 11) in that the sutures are not
so thickened and raised. They do not exhibit so strong a tendency
to curve downward toward the coiled portion. and there is no
ornamentation nor thickening in the early coiled portion.

Holotype.—No. 4980, locality 58, Jackson, Eocene.

44 BULLETIN 131 74

Genus FLABELLINELLA Schubert, 1900
Flabellinella lanceolata, new species Plate 5, figs. 16a-b
Test very flat and narrow, lanceolate, tapering to blunt point

at both ends ; chambers numerous, narrow, closely appressed, the
earlier six or seven chambers added as in Vaginulina, later cham-
bers suddenly equitant; reaching back and embracing more than
half of the vaginuline stage; sutures very slightly depressed or
almost flush with the surface; surface smooth; aperture term-
inal, radiate. Length, 1.33 mm.; breadth, 0.36 mm.; thickness,
0.07 mm. Common.

This species differs from Palmula budensis (Hantken) (1875,

Magy. kir. foldt. int. Evkonyve,.Bd. 4, p. 37, pl. 4, fig: 17)) 10"

its much narrower test and vaginuline early part.
Holotype.—No. 4977, locality 58, Jackson, Eocene.

~ Genus PALMULA Lea, 1833

Palmula henbesti (Bermudez) Plate 5, figs. 15a-b
Flabellina henbesti Bermudez, 1937, Soc. Cubana Hist. Nat., Mem., vol
11, p. 142, pl. 17, fig. 11 Hocene, Cuba.

Test large, flabellate, flaring, much compressed, apertural
end with edges at right angles, early 1/4 to 1/3 of test coiled,
followed gradually by equitant chambers; surface ornamented
with round, oval or irregular cells separated by high, thin par-
titions, completely obscuring the sutures in the first third or
half of the test, reduced in the later part of the test where the
sutures are demarked by sharp ridges; edge of the early part
with round spines, followed by a thin irregular or fimbriate
keel on both edges, the apertural end smooth; aperture terminal,
oval, with inwardly projecting teeth. Length, 1.00 mm.; breadth,
0.59 mm.; thickness, 0.10 mm. Common.

This form is close to P. c@lata (Cushman) (1923, U. S.
Geol. Sur., Prof. Paper 133) differing mainly in the fimbriate
and spinose periphery.

Plesiotype.—No. 4978, locality 58, Jackson, Eocene.

Genus FRONDICULARIA Defrance, 1826
Frondicularia tenuissima Hantken Plate 6, figs. 2a-b
Frondicularia tenwissima Hantken, 1875, Magy. kir. foldt, int. Evkonyve,
vol. 4, p. 36, pl. 13, fig. 11 upper Eocene, Hungary; Coryell and Em-
bich, 1937, Jour. Paleont., vol. 11, p. 296, pl. 41, fig. 21 upper Eo-
cene, Panama.

Hn eteg ene 2 e-et_ y S e ee .

3
y
=
>

.

75 STAVE CREEK FORAMINIFERA: BANDY 45

Test large, elliptical, compressed with parallel sides, initiz
end rounded with a pointed apex, apertural end pointed;
chambers about nine, very narrow and elongate, equitant,
all chambers extending nearly back to the base at either
side; sutures distinct, slightly depressed; surface smooth; aper-
ture terminal, small oval, not radiate. Length, 1.46 mm; breadth,
0.54 mm.; thickness, 0.04 mm. Rare.

F. vaderensis Beck (1943, Jour. Paleont., vol. 17, p. 601, pl.
107, fig. 18) seems to be conspecific with Hantken’s species. Beck
says, regarding chambers, “early ones loosely coiled,” but his
figure shows no coil. Nuttall’s figure (1935, Jour. Paleont., vol.
Q, p. 125, pl. 14, fig. 11) and Cushman’s figures (1946, Cush-
manwlcab: foram. Res.specs Publ, 16. pr 15;, pls.4, figs. 33.4)
show a vaginuline juvenarium characteristic of Flabellinella;
hence, their specimens can scarcely belong to Frondicularia or
to Hantken’s species.

Plesiotype.—No. 4890, locality 58, Jackson, Eocene.

Genus MARGINULINA d’Orbigny, 1826
Marginulina cocoaensis Cushman Plate 6, figs. la-b
Marginulina cocoaensis Cushman, 1925, Contr. Cushman Lab. Foram.
Res: vol. 1, pt. 3, p..67, pl. 10; figs) 9, 10 upper Hocene; Ala.; Cush-

man and Herrick, 1945, Contr. Cushman Lab. Foram. Res., vol. 21, p.
58, pl. 9, figs. 8-13 McBean fm., Eocene, Ga.
.

Test elongate, little compressed, initial end blunt, composed
of a few chambers in a partial coil, later and major portion com-
posed of six to eight chambers; sutures distinct, not depressed ;
surface with nine or ten sharp costee running from the initial end
to the base of the last chamber in adults, the last chamber smooth
in old individuals; aperture small on the peripheral side of the
apertural face, vaguely radiate, at the end of a distinct neck.
Length, 0.89 mm.; breadth, 0.18 mm. ; thickness, 0.15 mm. Com-
mon. j

Plesiotype-—No. 4942, locality 58, Jackson, Eocene.

Marginulina crossota, new species Plate 6, figs. 3a-b
Test elongate, sigmoid in outline, early part with remnant of

a coil, later portion uncoiled, slightly compressed in the lower
half of the test, gradually becoming round toward the apertural
end; chambers about seven, gradually increasing in size as added,
early chambers little if at all inflated, later chambers strongly

AG BULLETIN 131 76

inflated; sutures of the early part flush with the surface and
beaded, those of the later part thickened, raised, slightly oblique
and not broken. into beads, appearing as bands in the depres-
sions between the inflated chambers; wall ornamented by num-
erous rather fine but variable coste, oblique and confined to in-
dividual chambers, those of the early portion indistinct and
fewer; aperture radiate, projecting at the outer periphery with
about 12 radial teeth. Length, 1.36 mm.; diameter of the last
chamber, 0.36 mm. Rare.

The raised and thickened sutures of the later part and the
beaded sutures of the early part distinguish this form from M.
multiplicata Bergquist.

Holotype.—No. 4943, locality 58, Jackson, Eocene.
Marginulina digitalis, new species Plate 6, figs. 6a-b

Test elongate, digitate, early portion curved, later part uncoil-
ed, early part slightly compressed with angled back, later part
becoming circular in section; chambers distinct, about six form-
ing the uncoiled portion, increasing gradually in size in the
curved section, about of equal size in the uncoiled portion or 1n-
creasing very little, becoming inflated; sutures distinct, limbate,
ornamented with faint or very low beads in the early part evoly-
ing into raised unbeaded sutures in the later part of the test,
slightly oblique to nearly transverse; wall nearly smooth, some-
times with faint indication of striz on the early portion; aper-
ture terminal, at the outer edge of the septal face, round, radiate.
Length, 0.98 mm.; breadth of last chamber, 0.28 mm.; thickness,
0.24 mm, Common. |

Holotype-—No. 4944, locality 58, Jackson, Eocene.
Marginulina hantkeni, new name Plate 6, figs. 9a-b

Marginulina subbullata WHantken, 1875, Magy. kir. foldt. int,

Evkonyve, vol. 4, p. 39, pl. 4, figs. 9, 10 lower Oligocene, Hungary
(not M. subbullata Giimbel, 1861); Bergquist, 1942 Mississippi State
Geol. Sur,, Bull. 49 (Fossils), p. 38, pl. 4, figs. 4-6 upper Eocene, -
Miss, :

Test stout, circular in cross section, initial end bluntly round-
ed, early part loosely coiled, later portion rectilinear; chambers
four to six, loosely appressed, especially in the adult portion;
sutures distinct and depressed; surface smooth; aperture pro-
duced, radiate, terminal but eccentric toward the outer side of

77 STAVE CREEK FORAMINIFERA: BANDY 47

the last chamber. Length, 0.78 mm. ;' diameter of the last cham-
ber, 0.31 mm. Not common.

The specific name M. subbullata Hantken is preoccupied by
that of Gumbel (1861, Geognostische Beschreibung des Bayer-
ischen Alpengebirges und seines Vorlandes, Bd. 1, p. 568).

Plesiotype-—No. 4948, locality 58, Jackson, Eocene.
Marginulina jacksonensis (Cushman and Applin) Plate 6, figs. Ta-b

Cristellaria jacksonensis Cushman and Applin, 1926, Bull. Amer. Assoe.

Petr. Geol., vol. 10, p. 172, pl. 8, fig. 10° upper Eocene, Texas.

Marginulina jacksonensis, Cushman, 1935, U. 8. Geol. Sur., Prof. Paper

181, p. 18, pl. 7, figs. 5 a, b Alazan clay, Mex.

Test elongate, greatest width at base which is close-coiled,
later part uncoiled, consisting of five or six chambers, much
inflated toward the apertural end; early part with acute edge,
progressively becoming rounded toward the apertural end, last
chamber circular in transverse section; sutures distinct, those
of the later part depressed; wall smooth, finely perforate; aper-
ture radiate, terminal. Length, 1.08 mm.; diameter, 0.21 mm.
Common.

Plestotype-—No. 4945, locality 58, Jackson, Eocene.
Marginulina laeviuscula Cushman and Bermudez Plate 6, figs. 5a-b

Marginulina laeviuscula Cushman and Bermudez, 1937, Contr, Cushman

Lab. Foram. Res., vol. 13, p. 10, pl. 1, figs. 33, 34 Eocene, Cuba.

Test elongate, slender, early portion somewhat compressed,
consisting of about half a coil, uncoiled portion made up of
elongate, nearly cylindrical chambers; chambers and sutures in-
distinct in early portion, distinct, transverse and somewhat de-
pressed in the uncoiled portion ; surface smooth; aperture radiate,
terminal. Length, 0.69 mm.; diameter of last chamber, 0.14.
Rare.

The aperture has only six radial teeth, which may he at vari-
ance with the type; in which case it might be of varietal signifi-
cance.

Plesiotype-—No. 4946, locality 58, Jackson, Eocene.
Marginulina multiplicata Bergquist Plate 6, figs. 4a-b

Marginulina multiplicata Bergquist, 1942, Mississippi State Geol Sur.
Bull. 49 (Fossils), p. 37, pl. 4, figs. 14 a, b upper Eocene, Miss.

Test elongate, somewhat sigmoid in outline, tapering slightly
compressed in the early portion, nearly round in cross section

48 BULLETIN I31 78

in the later part; chambers about seven in number, rapidly en-
larging, later three chambers comprising over one-half of the
test; sutures distinct, oblique, depressed on the inflated portion;
wall ornamented by numerous fine oblique cost, confined to in-
dividual chambers; aperture radiate, projecting at the periphery.

Length, 0.85 mm.; diameter, 025 mm. Rare. :
Plesiotype-—No 4947, locality 58, Jackson, Eocene.
Marginulina stavensis, new species Plate 6, figs. 8a-b

Test curved cylindrical, early part composed of ™% coil or less,
uncoiled for most of the length; round in cross section through-
out, planispiral portion with broadly rounded edge; chambers
about two to four in the uncoiled portion, five or six in the
coiled portion, early chambers indistinct, small, later chambers
much more elongate; sutures flush with the surface in the early
part, somewhat depressed in the later part, becoming trans-
verse almost immediately in the uncoiled portion; wall smooth,
finely perforate; aperture terminal, radiate, with about six radial
teeth, centrally located. Length, 0.86 mm.; diameter, 0.23 mm.
Not common.

The nearly transverse sutures and the fewer number of cham-
bers in the uncoiled portion distinguish this form from M. havan-
ensis Cushman.and Bermudez (1937, Contr. Cushman Lab.
Foram. Res., vol. 13), the lack of compression of the planispiral
portion is also diagnostic.

Holotype.—No. 4940, locality 58, Jackson, Eocene.

Genus GLANDULINA d’Orbigny, 1839

Glandulina conica Neugeboren Plate 6, figs. 10a-b, 1la-b
Glandulina conica Neugeboren, 1850, Verh. Mitth. Siebenburg, Ver.
Nat., vol. 1, p. 51, pl. 1, figs. 5 a, b Tertiary, Rumania.
Pseudoglandulina conica Cushman and Barksdale, 1930, Contrib. Dept.
Geol. Stanford Univ., vol. 1, No. 2, p. 65, pl. 12, figs. 1, 2, 3 Mar-
tinez fm., Eocene, Calif.

Test of moderate size for the genus, stout, tapering from the
greatest diameter near the apertural end to the apex;
chambers nine or ten in the microspheric form, about six in the
megaspheric form; the apex of the megaspheric form bluntly
rounded, that of the microspheric form pointed but not apiculate ;
sutures flush, rather indistinct in the early portion, slightly de-

7G STAVE CREEK FORAMINIFERA: BANDY 49

pressed in the later part, transverse throughout; surface smooth ;
aperture conspicuous, protuberant, with from 12 to about 15
radial teeth. Length of largest specimen figured, 0.63 mm.;
diameter of same specimen, 0.33 mm. Common.

There is considerable variation in the amount of taper in the
forms from Little Stave Creek. However, many of them com-
pare very closely with the type.

Plesiotype—No. 4894 (megaspheric specimen, Fig. 10);
plesiotype No. 4895 (microspheric specimen, Fig. 11) locality 58,
Jackson, Eocene.

Glandulina elliptica Reuss Plate 6, figs. 12a-b

Glanduiina elliptica Reuss, 1863, K, Akad. Wiss., Math.-Naturw. Cl.,
Sitzber., Bd. 48, Abt. 1, p. 47 Oligocene, Germany.

Test of moderate size for the genus, short, elliptical in outline,
with the greatest width about the middle or slightly above;
chambers about five to seven or eight in number with the last.
chamber occupying about one-half of the test; sutures nearly
flush, somewhat indistinct in the early portion, transverse; sur-
face smooth; aperture radiate, terminal, «slightly produced.
Length, 0.68 mm.; diameter, 0.36 mm. Common.

Plesiotype.—No. 4896, locality 46, Yazoo clay, Jackson, Eo-
cene.

Glandulina laevigata d’Orbigny Plate 6, figs. 13a-b

Nodosaria (Glandulina) laevigata d’Orbigny, 1826, Ann. Sci. Nat., vol.
aeecoe, wNO I ploelLO Snes eld.

Glandulina laevigata d’Orbigny, 1846, Foraminiféres fossiles du bassin
Tertiaire de Vienne, p. 29, pl. 1, figs. 4, 5 Miocene, Vienna Basin;
Howe, 1939, Louisiana Dept. Cons., Geol. Bull. 14, p. 54, pl. 6, fig. 27
Cook Mt., middle Eocene, La.

Test small, elliptical, slope slightly concave to both apex and
aperture from the largest diameter about in the middle; cham-
bers about six to eight in the adult; sutures mostly transverse,
sometimes at an angle, due to inheritance from a coiled ancestry ;
surface smooth; aperture radiate, slightly projecting. Length,
0.31 mm.; diameter, 0.19 mm. Rare. .

Plesiotype-—No. 4897, locality 58, Jackson, Eocene.

Glandulina occidentalis Cushman Plate 6, figs. 14a-b
Nodosaria (Glandulina) laevigata occidentalis Cushman, 1923, U. 8.

50 BULLETIN 131 80

Nat. Mus., Bull. 104, pt. 4, p. 64, pl. 12; fig. 8 Recent, Atlantic
Ocean.

Glandulina laevigata occidentalis, Toulmin, 1941, Jour. Paleont., vol. 15,
p- 595, pl. 80, figs. 12, 13 Salt Mt. ls., Wilcox, Eocene, Ala.

Test subovate, circular in section, greatest diameter usually
slightly above the middle; chambers few, greatly embracing;
wall smooth, the initial end apiculate; sutures flush with the sur-
face, mostly transverse, sometimes at an angle due to the lower
portion of one of a chamber extending down slightly further
than the other side;.aperture round, radiate. Length, 0.54 mm. ;
diameter, 0.28 mm. Rare.

Plesiotype.—No. 48098, locality 46, Yazoo clay, Jackson, Eo-
cene.
Glandulina ovata Cushman Plate 6, figs. 15a-b

Nodosaria (Glandulina) laevigata ovata Cushman and Applin, 1926,
Bulls “Amer: “Assoc. Petr, Geol vol) 10. 4p. Gos pls 7 hies leas
upper Eocene, Texas.

Glandulina laevigata ovata Cushman, 1935, U. 8. Geol, Sur., Prof.
Raper Use peso pl HOS hess |G ysla/e

Test ovate, longer than broad, circular in transverse section,
widest toward the apertural end; chambers overlapping, few,
somewhat indistinct, earlier ones irregularly overlapping; su-
tures flush, rather indistinct ; wall smooth; aperture radiate, very
slightly projecting in most specimens. Length, 0.60 mm.; diam-
eter, 0.37 mm. Rare.

Plesiotype-—No. 4899, locality 46, Yazoo clay, Jackson, Ko-
cene.

Genus OOLINA d’Orbigny, 1839
Oolina spherica, new species Plate 7, fig. 20

Test nearly spherical, with small spine on the base; wall very
finely perforate; surface smooth, mottled, perhaps from fossili-
zation ; aperture small, very little above the general surface, finely
radiate. Diameter, 0.27 mm, Rare.

Holotype-—No. 4976, locality 58, Jackson, Eocene.

Genus DENTALINA d’Orbigny, 1839
Dentalina acuta d’Orbigny Plate 6, figs. 16a-b
Dentalina acuta d’Orbigny, 1846, Foraminifeéres fossiles du bassin Ter-
tiaire de Vienne, p. 56, pl. 2, figs. 40-43 Miocene, Vienna Basin; Cush-

81 | STAVE CREEK FORAMINIFERA: BANDY 51

man, 1929, Contr, Cushman Lab. Foram, Res., vol. 5, p. 85, pl. 12,
fig, 22 Tertiary, Venezuela; Berquist, 1942, Mississippi State Geol.
Sur., Bull. 49 (Fossils), p. 40, pl. 4, fig. 25 upper Eocene, Miss.

Test slender, subcylindrical, arcuate, initial end with a spine;
chambers nine to twelve, increasing gradually in size as added,
only the last chamber somewhat inflated; sutures fairly distinct,
not depressed excepting near the apertural end; wall ornamented
with few strong continuous coste, about four in young speci-
mens and 1m the early part of adults, between eight and ten in
adult specimens; aperture terminal, radiate, at the end of a
tapering protuberance. Length, 2.00 mm.; diameter, 0.20 mm.
Rare.

There is sufficient variation in the forms in the Jackson for-
mation of Little Stave Creek to warrant the placing of this form
under D. acuta. The only point of consistent difference is per-
haps in the somewhat smaller size of these specimens as com-
pared with the type. é

Plesiotype-—No. 4860, locality 58, Jackson, Eocene.
Dentalina cocoaensis crucifera, new variety Plate 7, figs. 2a-b

Dentalina cocoaensis Cushman, 1935, U. 8S. Geol. Sur,, Prof. Paper

118i, p. 19, pl. 8, figs. 1, (2, 2?) upper Hocene, Ala., Miss.

Test elongate, rather slender, arcuate; chambers slightly in-
flated, initial chamber nonapiculate, increasing very little in
length in the early portion of the test, very rapidly in the middle
and later portions ; chamber diameter increasing very gradually to
the penultimate, the last chamber being much reduced in di-
ameter toward the aperture, sutures depressed in the later por-
tion; wall smooth, finely perforate; aperture cruciform, kerflike,
produced. Length, 1.18 mm.; diameter of last chamber, 0.13 mm.
Common,

The nonapiculate initial chamber and the distinct cruciform
aperture distinguish this variety from D. cocoaensis (Cushman),
(1925, Contr. Cushman Lab. Foram. Res., vol. 1), D. cooperen-
sis gracilescata Cushman (1946, Contr. Cushman Lab. Foram.
Res., Spec. Publ. 16) is distinct in having more oblique sutures
and an apiculate apex.

52 BULLETIN 131 82

Holotype.-—No. 4861, locality 58, Jackson, Eocene.

Dentalina cf. communis d’Orbigny Plate 6, fig. 17
Nodosaria (Den.alina) communis d’Orbigny, 1826, Ann. Sci. Nat.,
vol. 7, p. 254, No, 355; Cushman, 1931, Contr: Cushman Lab.
Res., vol. 7, pl. 8, figs. 22, 23 Recent, Rimini, Italy; Beck, 1943;
Jour. Paleont., vol. 17, p. 598, pl. 105, fig. 22 Eocene, Wash.

Very few specimens of this form were found.
Plesiotype.—No. 4862, locality.60, Jackson, Eocene.

Dentalina cooperensis nonapicalis, new variety Plate 7, figs. la-b

Test elongate, gently curved, very little compressed, tapering
gradually ; periphery only slightly lobulate; apical end rounded,
nonapiculate ; chambers about Io in the adult; sutures distinct,
limbate, slightly oblique, more so in the early part in some in-
dividuals, flush in the early part of the test and somewhat de-
pressed in the later part; wall smooth, finely perforate; aperture
near the periphery of the last chamber, radiate and slightly pro-
jecting. Length, 1.57 mm.; breadth, 0.30 mm. Common.

This common form is similar to many figures which have
been assigned to D. cooperensis Cushman (1946, Cushman Lab.
Foram. Res., Special Publ. 16, pls 3) fig: 13, moteas)) chums
distinctly separate from the original (1933, Contr. Cushman Lab. ~
Foram. Res., vol. 9) in lacking the apiculate or pointed apex.

Holotype.—No. 4863, locality 58, Jackson, Eocene.

Dentalina cucarensis Cole Plate 7, figs. 3a-b

Dentalina cucarensis Cole, 1927, Bull. Amer. Paleont., vol. 14, No. 51,

p. 14, pl. 3, fig. 14 Guayabal fm., middle Eocene, Mex,

Test elongate, arcuate, very slightly compressed, initial end
rounded; chambers inflated, gradually enlarging in size; peri-
phery lobulate on the outside, inner portion much less; sutures
oblique, of clear shell material, depressed; aperture terminal,
vediate, near the inner margin. Length, 0.71 mm.; diameter of
last-chamber, 0.14 mm. Rare.

Plesiotype-—No. 4864, locality 58, Jackson, Eocene.
Dentalina indifferens Reuss Plate 7, figs. 6a-b

Nodosaria (Dentalina) indifferens Reuss, 1863, K, Akad. Wiss,, Math,-

Naturw. Cl, Sitzber., Bd, 48, Abt. 1, p. 44, pl. 2, figs. 15-16 middle
Oligocene, Germany.

Test elongate, slender, slightly curved, first chamber much in-
flated larger than the immediately subsequent chambers in di-
ameter, later portion slightly compressed; chambers about four

83 STAVE CREEK FORAMINIFERA: Banpy

on
&

to as many as ten, of nearly uniform width, somewhat inflated,
increasing very slightly in size as added after the large initial
chamber ; sutures distinct, depressed, varying from transverse to
slightly oblique within the same test, slightly limbate or thick-
ened; wall smooth, finely perforate; aperture near the inner mar-
gin of the last chamber, radiate, with slight neck. Length, 0.88
mm.; diameter of last chamber, 0.15 mm. Common.

Many specimens, all exhibiting an enlarged proloculum, were
found in the Red Bluff material, The first chamber is transparent
permitting ready determination of its unilocularity.

Plesiotype-—No. 4865, locality 63, Red Bluff, lower Oligo-
cene.

Dentalina jacksonensis (Cushman and Applin) Plate 7, figs. Ta-b
Nodosaria jacksonensis Cushman and Applin, 1926, Bull. Amer. Assoc.
Petr. Geol., vol. 10, p. 170, pl. 7, figs. 14-16 upper Eocene, Tex.
Dentalina jacksonensis Cushman, 1946, Cushman Lab. Foram. Res.,

Special Publ. 16, p. 13, pl. 3, fig. 9 upper Hocene, Ala,

Test elongate, circular in cross section, somewhat arcuate,
gently tapering; periphery lobulate, especially in the later half,
early portion smooth; apical end with single spine; chambers
usually 10 or more in the adult, often indistinct; sutures fairly
distinct, nearly transverse; wall smooth, matte; aperture at
the periphery of the last chamber, slightly projecting. Length,
1.28 mm.; diameter of last chamber, 0.24 mm. Common.

The thick wall and lack of radiate aperture indicate that this
form may actually be a Nodosarella.

Plesioty pe.

Dentalina soluta Reuss Plate 7, figs. 5a-b

No. 4866, locality 58, Jackson, Eocene.

Dentalina soluta Reuss, 1851, Deutsch. Geol, Gesell. Zeitschr, vol. 3,
p. 60, pl. 38, fig. 4 Oligocene, Germany; Plummer, 1931, Univ. Texas
Bull. 3101, p. 150, pl. 11, fig. 14 Upper Cretaceous, Tex.; Toulmin,
1941, Jour. Paleont., vol. 15, p, 587, pl..79, figs. 23, 24 Salt Mt. ls.,
Kocene, Ala. ;

Test slightly curved, chambers round in section, apical end
with a small spine; chambers few, inflated, increasing somewhat
rapidly in size as added; sutures straight, deeply constricted ;
wall smooth, finely perforate; aperture terminal, eccentric, pro-
truding and radiate. Length of last three chambers, 1.06 mm. ;
diameter of last chamber, 0.31 mm. Rare.

Plesiotype.—No. 4867, locality 58, Jackson, Eocene.

54 BULLETIN 131 84

Dentalina vertebralis albatrossi (Cushman) Plate 7, fig. 4

Nodosaria vertebralis albatrossi Cushman, 1923, U. 8. Nat. Mus., Bull.
104, pt. 4, p. 87, pl. 15, fig. 1 Recent, Atlantic Ocean.

Dentalina vertebralis albatrossi Cushman and Todd, 1945, Cushman Lab.
Foram Res., Special Publ. 15, p. 22, pl. 3, fig. 21 Miocene, Jamaica;
Cushman, 1946, Cushman Lab, Foram. Res., Special Publ. 16, p. 15,
pl. 3, figs. 10-12 upper Eocene, Ala,

Test large, gradually tapering, slightly curved; chambers up
to 15, distinct in the later part, not inflated, except those near
the apertural end; sutures broad, of clear shell material, not de-
pressed except near the apertural end; wall ornamented by 15
tc 18 longitudinal coste which are continuous from chamber
to chamber; initial end of the test apiculate; aperture radiate,
slightly extended. Length, 5.35 mm.; diameter, 0.45 mm. Abund-
ant.

The character of the aperture in the Little Stave Creek speci-
mens may differ from that in the holotype of this species.

Plesiotype-—No. 48068, locality 58, Jackson, Eocene.

: Genus NODOSARIA Lamarck, 1812
Nodosaria globifera (Batsch) Plate 7, figs. 8a-b

Nautilus (Orthoceras) globifer Batsch, 1791, Sechs Kupfertafeln mit

Conchylien des Seesandes, pl. 5, figs. 9 a-e.

Nodosaria globifera Cushman, 1931, Contr. Cushman Lab, Foram. Res.,
vol, 7, p. 68, pl.-9, figs. 1-4 Recent, Rimini.

Test nearly straight, composed of elongate, nearly cylindrical
chambers, the initial chamber being large and globular in the
miegaspheric specimens ; sutures transverse, very little depressed ;
surface smooth; aperture not seen. Length, 0.76 mm.; diameter,
0.12 mm. Rare.

At locality 7 a single specimen was found which is very simi-
lar to Cushman’s reproductions of Batsch’s specimens,

Plesiotype —No. 4957, locality 7, Tallahatta fm., Claiborne,
Eocene.

Nodosaria latejugata Giimbel Plate 7, figs. 13a-b, 14a-b

Nodosaria latejugata Giimbel, 1868 (1870), K. bayer. Akad. Wiss.

Miinchen, Cl. 2, Abh., vol. 10, p. 619, pl. 1, fig. 32 Hocene, Germany ;

Hantken, 1875 (1876), Magy. kir. foldt, int. Evkényve, vol. 4, p. 21

pl. 2, figs. 6 a-d Eocene, Oligocene, Hungary; Bergquist, 1942, Missis-

sippi State Geol. Sur., Bull. 49 (Fossils), p. 45, pl. 4, figs. 12, 13
upper Eocene, Miss.

Test elongate, subcylindrical, initial end with spine ; chambers
distinct, slightly inflated; sutures distinct, of clear shell material,

85 STAVE CREEK FoRAMINIFERA: BANDY 55

slightly depressed, especially in the later portion; surface orna-
mented with a few prominent longitudinal coste, averaging about
eight to ten, continuous from initial to apertural ends, final cham-
ber in adults commonly smooth; apertural end slightly produced,
aperture radiate. Length of adult specimen, 1.33 mm.; diameter
ot last chamber, 0.15 mm. Rare

Plesiotypes—No. 4958 (Fig. 13), locality 58, Jackson, Eo-
cene; No. 4959 (Fig. 14), locality 65, Mint Spring. marl, Vicks-
burg. Oligocene.

Nudosaria c’. longiscata d’Orbigny indkendes 4/5 Gaye al(0)

Nodosaria longiscata d’Orbigny, 1546, Foraminiféres fossiles du bassin

‘Lertiaire de Vienne, p. 32, pl. 1, figs. 10-12 Miocene, Vienna; Howe
and Wallace, 1932, Louisiana Dept. Cons., Geol. Bull. 2, p. 35, pl: 7,
fig. 8 upper Hocene, La.; Howe, 1939, Louisiana Dept. Cons. Bull. 14,
p. 47, pl. 5, fig. 10 middle Eocene, La.; Bergquist, 1942, Mississippi
State Geol. Sur., Bull. 49 (Fossils), p. 46, pl. 4, fig. 26 upper Eb-
cene, Miss.

Test very elongate, slender, curved; chambers four or more,
elongate, smooth, cylindrical; sutures transverse, slightly. de-
pressed; wall smooth, finely perforate; aperture not preserved,
probably round and radiate. Length of the four chambers, 1.30
mm.; diameter, 0.13 mm. Rare. ~

The chambers are shorter than in D’Orbigny’s figures.

Plesiotype.-—No. 4960, locality 58, Jackson, [ocene.
Nodosaria cf. pyrula d’Orbigny Plate 7, figs, Qa-b

Nodosaria pyrula d’Orbigny, 1826, Ann, Sci. Nat., vol. 7, p. 253; Brady,

1884, hep. Voy. Challenger, Zoology, vol, 9, p. 497, pl. 62,: figs. 10-12
Recent; Galloway. ahd Morrey, 1929, Bull. Amer. Paleont., vol, 15,
No. 55, p. 16, pl. 1, fig. 16 late Eocene cr lower Oligocene, Eeuador ;
Cushman and odd, 1945, Cushman Lab. Foram. Res., Special Publ.
15, p. 28, pl. 4, figs. 17, 18 Miocene, Jamaica.

A few broken specimens of one or two chambers each were
found, The chambers are fusiform to pyriform, the interveaing
necks not so well defined as in most figures of this species; sur-
face smooth; wall finely perforate, recrystallized; aperture ab-
sent. Length, 0.61 mm.; diameter, 0.10 mm. Rare.

Plesiotype.—No. 4961, locality 58, Jackson, Eocene.

Genus LAGENA Walker and Boys, 1784
Lagena elliptica, new species Plate is figeael6:

Test elliptical, greatest diameter below the middle, twice as
long as wide, with narrow abrupt neck of even diameter half
as long as the body, without phialine lip; surface matte, minutely

56 BULLETIN 131 86

pitted. Length, 0.3 mm., including neck. Rare.
This species differs from Lagena levis (Montagu) (see Wil-
liamrson; 1848, Ann; Mag. Nat. Hist; p»12, pl i)aiigs) 12)

the abrupt neck and lack of a lip.

Holotype.-—No. 4931, locality 10, Tallahatta fm., Claiborne

Eocene.

Lagena gracilicosta Reuss Plate 7, figs. 1la-b
Lagena gracilicosta Reuss, 1862, K. Akad. Wiss. Math. Naturw. cl.
Sitz. Wien, Bd. 46, Abt. 1, p. 327, pl. 3, figs. 42, 43; Franke, 1927,
Danmarks geologiske Undersogeise Ii, Raekke, Nr. 46, p. 20, pl. 2,

fig. 2, Paleocene, Denmark.

Test ovate, circular in end view; base rounded, apertural end
produced into a short cylindrical neck; surface ornamented with
30 or 40 rather fine longitudinal coste; aperture round at the
end of a short cylindrical neck which is without coste. Length,
0.24 mm.; diameter, 0.13 mm. Rare.

The form from Little Stave Creek has somewhat fewer
coste than the type figure exhibits. However, it agrees well in
all other respects.

Plesiotype.—No. 4930, locality 58, Jackson, Eocene.

Lagena levis stavensis, new variety Plate 7, figs. 15a-b

Lagena levis, var. Bergquist (not Montagu), 1942, Mississippi State

Geol. Sur., Bull. 49 (Fossils), p. 51, pl. 5, fig. 7 upper Hocene, Miss.

Test globular ovoid, widest below the middle, circular in cross
section ; base rounded without apicule; neck elongate, 1/5 to 1/7
the length of the body, smooth, tapering; wall smooth, finely
perforate; aperture round, without lip. Length, 0.27 mm.; di-
ameter, 0.17 mm. Not common.

This form is not so elongate as L. levis (Montagu) and lacks
the surface ornamentation of other species of similar shape. L.
globosa (Montagu) (1803, Test. Brit., p. 523) lacks the definite
elongate neck of this variety.

Holotype.——No. 4932, locality 58, Jackson, Eocene.

Lagena humerifera, new species Plate 7, .no seat

Test pyriform, consisting of a globular body, a shoulder and a
neck, circular in cross section; surface ornamented with about
12 coste, four being more prominent and extending up to the
neck, the other eight joining in pairs at a shoulder below the
neck, some pairs with a short, intercalated costa; neck short,
smooth, without lip. Length, 0.25 mm.; diameter, 0.13. Rare.

OF STAVE CREEK FORAMINIFERA: BANDY 57

Holotype-—No. 4933, locality 64, Mint Spring marl, Vicks-
burg, Oligocene.
Lagena ouachitaensis alabamensis, new variety Plate 7, figs. 12a-b

Test elongate, pyriform, circular in cross section; surface
ornamented with about 28 longitudinal coste, abcut half ex-
tending up onto the base of the neck, the others terminating
farther back; neck elongate, slender, ornamented vith several
ringlike coste. Length, 0.34 mm.; diameter, 0.16 mm. Rare.

This variety is distinguished by having double the number of
coste present in L. ouachitaensis Howe and Wallace (1932,
Louisiana Dept. Cons., Geol. Sur., Bull. 2).

Holotype.—No. 4934, locality 30, Lisbon fm., Claiborne, Eo-
cene.
Lagena sulcata spirata, new variety Plate 7, fig. 18

Lagena sulcata Brady (part), 1884, Kept. Voy. Challenger, Zool., vol.
9, pl. 57, fig. 23 Recent; Cushman, 1923, U. S. Nat. Mus., Bull. 104,
pt. 4, p. 57, pl. 2, fig. 1 Recent, Atlantic Ocean.

Test subglobose, slightly longer than broad, the neck about
half as long as the body, slightly tapering; surface ornamented
with about 24 rounded cost, extending from the base of the test
to the base of neck, two continued in a spiral manner the length
of the neck itself. Length, 0.20 mm.; diameter, 017 mm. Rare.

This variety is rare and is similar to many figured specimens
identified with L sulcata. It differs from that species, however, in
the spiral coste on the neck.

Holotype-—No. 4935, locality 7, Tallahatta. fm., Claiborne,
Tocene.

Lagena walliacei, new species Pilates > need
Lagena, sp. (B) Howe and Wallace, 1932, Louisiana Dept. Cons., Geol.
Bull. 2, p. 30, pl. 6, fig. 10 unper Eocene, La.; Bergquist, 1942, Mis-
sissippi State Geol, Sur., Bull.49 (Fossils), p. 53, pl. 5, fig. 26 up-
per Eocene, Miss.
Test ampullaceous in shape, circular in cross section; surface
ornamented with about 36 fine costa, evenly spaced, but ex-
tending various distances toward the base of the chamber; neck

long, very little tapering, with four or more raised annulations ;

+?
aperture circular, at the end of the neck, without lip. Length,
0.41 mm.; diameter, 0.19 mm. Rare.

This species is rather widespread and stable in its characters.

58 BULLETIN 131 88

It is named in honor of William E. Wallace, one of the authors of
the original publication of this form. |

Holotype-—No. 4936, locality 64, Mint Spring marl, Vicks-
burg, Oligocene.

Genus ROBULUS Montfort, 1808
Robulus alato-limbatus (Gimbel) Plate 8, figs. la-b

Robulina alato-limbata Giimbel, 1868 (1870), K. bayer. Akad. Wiss..
Miinchen, Cl, 2, Abh., vol. 10, p. 641, pl. 2, figs. 70 a, b upper Eocene,,
central Europe. :

Robulus alato-limbatus Bergauist, 1942, Mississippi State Geol, Sur.,
Bull. 49 (Fossils), p. 26, pl. 3, fig. 7 upper Eocene, Miss.

_ Test lenticular, close-coiled, biumbonate, with large central um-
bos not projecting greatly above the general surface but distinct;
edge angled, with narrow keel; periphery smooth; chambers dis-
tinct, not inflated, about seven or eight in number; sutures dis-
tinct, limbate, flush, oblique and gently curved; aperture at the
peripheral edge of last’ septal face, radiate with a slight exten-
sion down into the septal face. Diameter, 0.49 mm.; thickness,
O@2E niin sare:
Plesiotype.—No. 5003, locality 10, Tallahatta fm., Claiborne.
Eocene. .
Robulus carolinianus Cushman Plate 8, figs. 2a-lk
Robuius arcuato-striatus carolinianus Cushman, 1933, Contr. Cushman
Lab, Foram. Res., vol: 9, p. 4, pl. 1. fig. 9 apper Hocere, Ala; 7946)
Cushman Lab. Foram. Res., Special Publ. 16, p. 10, pl. 1, fig. 14 up-
per Eocene, Ala.

Test subcircular, lenticular, close-coiled throughout, strongly
umbonate; edge angular, with a fairly wide thin carina; cham-
bers very distinct, eight or nine in the last whorl, increasing very
-slightly in size as added; sutures distinct. strongly limbate, very
strongly curved, particularly as they approach the umbo of clear
skell material; aperture somewhat protruding at the peripheral
angle of the last septal face, radiate, apertural face slichtly con-
cave, edges thickened. Diameter, 0.77 mm.; thickness, 0.42 mm.
Common.

Plesiotype.—-No. 5004, locality 60, Jackson, Eocene.

Robulus convergens (Bornemann) Plate 8, figs. 3a-b

Cristellaria convergens Bornemann, 1855, Zeitschrift Deutsch. Geol.

Gesell., vol. 7, p. 327, pl. 13, fig. 16 Oligocene, Germany; Cushman,

1923, U. S. Geol. Sur., Prof. Papér 133, p. 28, pl. 4, fig. 2middle
Oligocene, Miss.

89 STAVE CREEK FORAMINIFERA: BANDY 59

Lenticulina (?) convergens Cushman and Dusenbury, 1934, Contr, Cush-
man Lab. Foram, Res., vol. 10, p. 54, pl. 7, figs. 7 a, b Eocene, Calif.

Lenticulina convergens Cushman, 1935, U. S. Geol. Sur., Prof. Paper
181, p. 17, pl. 6, figs. 4 a, b upper Eocene, Ga.; Bergquist, 1942, Mis-
sissippi State Geol. Sur., Bull, 49 (Fossils), p. 33 upper Eocene,
Miss.

Test subcircular to ovate, discoidal, close-coiled, thickest in
the umbonal region with distinct umbonal areas of clear shell
material, flush with the surface; chambers few, about five to
seven, the last one beaklike; sutures fairly distinct, curving
strongly into the umbos, not depressed, tending to be limbate,
apertural face strongly convex; aperture at the peripheral angle
on the last septal face, radiate with a slight extension downward
onto the septal face. Diameter, 0.53 mm.; thickness, 0.26 mm.
Common.

This form is similar to many of those referred to Bornemann’s
species ; however, it may be found to differ from the type in re-
gard to the clear umbonal areas.

Plesiotype.—No. 5005, locality 60, Jackson, Eocene.

Robulus davisi, new species Plate 8, figs. 4a-b

Test thick, lenticular, biumbonate; edge sharply rounded not
angled nor carinate; periphery smooth; chambers eight to ten in
the last whorl; sutures narrowly limbate, flush, oblique; umbonal
region filled with a large area of clear shell material; aperture
‘adiate at the peripheral edge of the last septal face, with a nar-
rew extension downward. Diameter, 0.68 mm.; thickness, 0.35
mm. Scarce.

This species is unusual in the rounded edge, with no indica-
tion of a keel.

R. davisi is named in honor of Mr. Morgan Davis, Chief
Geologist of the Humble Oil and Refining Company, Houston,
‘fexas.

Holotype.—No. 5000, locality 58, Jackson, Eocene.

Robulus euglypheus, new species Plate 8, figs. Ta-b

(2?) Robulus dumblei Cushman (not Weinzierl and Applin), 1946, Cush-

man Lab. Foram. Res., Special Publ. 16, p. 10, pl. 2, fig. 9 upper
Eocene, Ala.

Test large, biumbonate, strongly biconvex; edge acute, with
prominent keel; periphery smooth; chambers eight to twelve,
increasing very gradually in size as added; umbonal areas filled

60 BULLETIN 131 90

with clear shell material; sutures with raised limbations which
fuse with the central boss, strongly curved toward the periphery ;
wall smooth, finely perforate excepting for the raised limbations
of the sutures; the periphery slopes down sharply to the last
septal face with the aperture conspicuously located about mid-
way between the top and base of the last chamber, with an elon-
gate extension downward to the base of the septal face in most
adult specimens. Diameter, 1.37 mm.; thickness, 0.64 mm.
Abundant.

This species differs. from R. carolinianus Cushman (1933,
Contr, Cushman Lab. Foram. Res., vol 9) in that the sutures fuse
directly into the central umbonate areas in a radial fashion rather
than being strongly curved forward as they approach the center
and also in the much lower location of the aperture on the final
septal face. Robulus c@umbiet Weinzierl and Applin has much
stronger sutural ornamentation than this form, and the aper-
tural character of this new species is also much different. This
form is abundant and a nearly complete range from small to
large and gerontic forms can be found, all exhibiting the peculiar
apertural characteristic and rather low sutural limbations.

Holotype.—No. 5007, locality 58, Jackson, Eocene.

Robulus inusitatus Cushman Plate 8, figs. 6a-b
Robulus inusitatus Cushman, 1946, Cushman Lab. Foram. Res., Special
Publ. 16, p. 7, pl. 2, figs. 1-7 upper Eocene, Ala.

Test close-coiled at least in the early portion, tending to un-
coil in the later stages; edge angular; periphery with a very
distinct keel ; chambers distinct, very slightly, if at all, inflated, in-
creasing very gradually in size as added, later ones becoming nar-
rower but more inflated as they tend to uncoil; sutures distinct,
only slightly curved, in the coiled portion raised and more or
less beaded, in the later portion without ornamentation and
slightly depressed; wall with various degrees of ornamentation
along the suture lines, some slightly raised with a single bead at
the inner end, others with a series of small beads, largest at the
inner end, wall between the sutures usually smooth; aperture
at the outer peripheral angle which is distinctly projecting. Di-
ameter, 1.40 mm.; thickness, 0.59 mm. Common.

gI STAVE CREEK FORAMINIFERA: BANDY 61

As indicated in the type description, the carinate periphery
distinguishes this form from FR. cocoaenstis
Plesiotype-—No. 5008, locality 58, Jackson, Eocene.

Robulus jugosus Cushman and Thomas Plate 9, figs. 3a-b
Robulus jugosus Cushman and Thomas, 1930, Jour, Paleont., vol. 4, ).
36, pl. 3, figs. 4 a, b middle Kocene, Tex.; Cushman and Applin, 1943,
Contr. Cushman Lab. Foram. Res., vol. 19, p, 34, pl. 7, fig. 14 Yegua
fm., middle Eocene, Tex.

Test somewhat ovate in outline, little compressed, edge sub-
acute with narrow, blunt keel; chambers distinct, five to seven
in the last whorl, earlier ones somewhat indistinct, later ones in-
creasing gradually in length as added; sutures somewhat lim-
bate, slightly raised excepting near the periphery; earlier ones
somewhat nodose or beaded, later ones smooth; wall smooth ex-
cepting for beading and sutures; aperture terminal, radiate, at
the peripheral margin of the last septal face, peripheral face
broad and slightly convex. Length, 0.43 mm.; breadth, 0.28 mm. ;
thickness, 0.20 mm. Rare.

The specimen figured is a megaspheric form almost lacking
in the characteristic ornamentation.

Plesiotype-—No. 5009, locality 7, Tallahatta fm., Claiborne,
l’ocene,
Robulus limbosus (Reuss) Plate 8, figs. 8a-b

Cristellaria (Robulina) limbosa Reuss, 1863, K. Akad. Wiss, Math,
Naturw. cl. Sitzber. Wien, Bd. 48, Abt. 1, p. 55, pl. 6, fig. 69 Oli-
gocene, Germany.

Robulus limbosus Cushman, 1946, Cushman Lab. Foram. Res., Special
Publ. 16, p. 5, pl. 1, fig. 13 upper Hocene, Ala.

Test biumbonate, close-coiled, with a broad, thin, platelike,
transparent keel; chambers distinct, eight to ten in the last
whorl; sutures distinct, curved, semewhat limbate, of clear ma-
terial which fuses into the clear material of the umbonal areas ;
wall smooth; apertural face small, slightly concave; aperture on
the peripheral angle of the last septal face, radiate, with slit ex-
tending down halfway on the septal face. Diameter, 0.57 mm. ;
thickness, 0.26 mm. Common.

Plesiotype-—No. 5010, locality 58, Jackson, Eocene.

Robulus pseudovortex Cole Plate 8, figs. 9a-b, 10a-b

Robulus pseudovortez Cole, 1927, Bull. Amer. Paleont., vol. 14, No. 51,

p. 19, pl. 1, fig. 12 middle Hocene, Mex,; Cushman and MeMasters,

1936, Jour. Paleont., vol. 10, p. 510, pl. 74, figs. 12 a, b middle
Eocene, Calif.

62 BULLETIN I31 92

Test biconvex, biumbonate, six chambers comprising the last
whorl; chambers elongate, curved, enlarging as they approach
the periphery; sutures slightly raised, whirling out from the
central umbo; edge acute, not keeled but with a rim of clear
shell material; surface smooth, finely perforate, unornamented
excepting for the umbos and slightly raised sutures; last septal
face small, triangular; aperture radiate, with rimmed fissure ex-
tending down two-thirds of the septal face. Diameter, 1.03 mm. ;
thickness, 0.51 mm. Common. .

The two forms figured are verv similar and both are assigned
to this species. The apertures are slightly different as seen in
the figures. This may be found to be sufficiently diagnostic to
set up a variety.

Plestotypes—No. 5012, locality 58; No. 5o11, locality 50,
Jackson, Eocene.

Robulus, rectidorsatus, new species Plate 8, figs. 5a-b

Test large, biumbonate, lenticular, close-coiled, the last cham-
ber much produced in gerontic specimens; edge bluntly angular;
periphery not carinate but composed of straight-backed cham-
bers in the adult portion, which intersect at low angles; cham-
bers distinct, not inflated, closely appressed; sutures raised and
limbate becoming higher toward the umbonal areas, there break-
ing into knobs usually; wall smooth excepting for the raised
sutures and knobbed umbonal areas; aperture at the outer peri-
pheral angle which is distinctly projecting, radiate, oval, with
small downward fissure Diameter, 1.15 mm.; thickness, 0.59
mm. Abundant.

The radial, raised, limbate sutures, the straight-backed cham-
bers in the later portion of the test, and the noncarinate periphery
distinguish this species from FR. inusitatus Cushman. R. cocoa-
ensis (Cushman) (1925, Contr. Cushman Lab. Foram. Res., vol..
I, pt. 3) has a much more beaded test and lacks the straicht-
raised limbate sutures as well as being less produced at the aper-
tural angle.

Holotype.—No. 5013, locality 58, Jackson, Eocene.

93 STAVE CREEK FORAMINIFERA: BANDY 63

Robulus texanus (Cushman and Applin) Plate 9, figs. 2a-b

Cristeilaria articulata texana Cushman and Applin, 1926, Bull. Amer.
* Assoc, Petr. Geol., vol. 10, p..170, pl. 8. ngs. 1, 2 upper Eocene,
Tex,

Rohulus articulatus texanus Cushman, 1935, U. S. Geol. Sur.. Prof.
Paper 181, p. 16, pl. 4. figs. 16, 17 upper Eocene, ex., S. Car.; Berg-
quist, 1942, Mississippi State Geol. Sur., Bull. 49 (Fossils), p. 28, pl.
3, fig. 6 upper Eocene, Miss,

Test lenticular, clcse-coiled, biumbonate, with large low cen-
tral umbo of clear shell material in adult specimens; edge angu-
lar with a narrow keel; periphery smooth; chambers distinct, not
inflated, nine to twelve in the final whorl; sutures distinct, flush,
oblique and somewhat curved; aperture at the peripheral edge of
the last septal face, radiate with a slight extension down into the
septal face. Diameter, 0.88 mm.; thickness, 0.40 mm. Common.

Plesiotype-—No. 5014, locality 58, Jackson, Eocene.

Robulus vicksburgensis (Cushman) Plate 8, figs. 1la-b
Cristellaria vicksburgensis Cushman, 1922, U. S. Geol. Sur,, Prof. Paper
129,-p. 130; pl. 31, figs. 6, 7 middle Oligocene, Miss.; 1923, U.S.
Geol. Sur., Prof. Paper 133, p. 29 middle Oligocene, Ala., Miss.
Robulus vicksburgensis Ellisor, 1933, Bull. Amer, Assoe. Petr. Geol...
vol. 17, No. 11, pl. 2, fig. 2; Cushman and Todd, 1946, Contr. Cush-
man Lab. Foram: Res., vol. 22, p. 84, pl. 14, fig. 23 Vicksburg, Ol-
gocene, Miss.. Ala., Fla., Tex, ‘
Test biconvex, planispiral, becoming evolute in the last portion

of the final whorl; edge angled, carinate in early portion; cham-
bers seven to eight in the visible coil; sutures marked by rather
broad, curved, raised ridges, those near the earlier part of the
coil broken into rounded knobs, especially near the umbilical
area, the later ones more continucus; wall mostly smooth but
vith small papille scattered irregularly between the sutures, finely
perforate; apertural face smooth and somewhat concave with
acute projecting angles; aperture radiate at the peripheral angle
of the last chamber, with small downward fissure. Length, 0.81
mm.; thickness, 0.38 mm. Abundant.

Although the scattered papillate character was not empha-
sized in the original description, the original figure has an indica-
‘ion of such ornamentation. In the last reference under the
synonymy above, the figure given is very similar to the figure
herein.

Plesiotype-—No. 5015, locality 65, Mint Spring marl, Vicks-
burg, Oligocene.

64 BULLETIN 131 94

Robulus westermanni (Pijpers) Plate 9, figs. la-b
Cristellaria (Planularia) westermanni Pijpers, 1933, Geology and Pal-
eontology of Bonaire (Dutch West Indies), Geog. Geol. Med.,
Physiogr. Geol. Recks, No. 8, p, 61, tfs, 39-40 upper Eocene, Bonaire,

Test compressed, suboval, biumbonate, tending to be evolute ;
edge sharp, with a broad keel of clear shell material; chambers
seven or eight in the last whorl, evenly but rather rapidly in-
creasing in size; spiral sutures of the last whorl depressed; su-
tures distinct, flush with the surface in the early part, becoming
depressed between the last two or three chambers, slightly curved
and narrowly limbate; surface smooth, finely perforate, umbos
made of clear shell material; aperture at the peripheral edge of
the last septal face an elongate slit which is parallel to the plane
of coiling; radiations obsolete. Diameter, 0.57 mm.; thickness
at the umbos, 0.17 mm. Common.

The original figure (39) was apparently made with transmit-
ted light causing the apertural necks of the previous chambers
to show through.

Plesiotype.—-No. 5016, locality 58, Jackson, Eocene.

Genus LINGULINA d’Orbigny, 1826
Lingulina subcrassa, new species Plate 9, figs. 5a-b

Test ovate in end view, greatest width at last chamber, taper-
ing from there rapidly to the apex, apertural end rather blunt;
edge angled, not carinate; chambers few, about five in the adult,
increasing rapidly in size as added, the lower margin of the
last tending to overhang the preceding one along the periphery ;
sutures slightly depressed or flush with the surface, arcuate; wall
smooth, finely perforate; aperture terminal, produced, an elon-
gate slit parallel to the compression of the test. Length, 0.96
nm.; breadth, 0.71 mm.; thickness, 0.44 mm. Common.

This species is distinguished from closely related forms by its
nonearinate periphery, relatively short, wide, thick shape, and
protruding aperture.

Holotype.—No. 4939, locality 58, Jackson, Eocene.

Genus FISSURINA Reuss, 1850
Fissurina crassicarinata, new species Plate 9, figs. 6a-b

Test lenticular, subcircular, bordered by a thickened keel along

x

95 STAVE CREEK FORAMINIFERA:: BANDY 65

edge; surface smooth; aperture terminal, a long narrow slit.
Length, 0.43 mm.; thickness, 0.37 mm. Rare.

Fissurina marginata (Walker and Jacob) (1784, Test. Min. p.
2, pl. 1, fig. 7) differs in having a thinner keel and in being more
elongate.

Holotype.—No. 4888, locality 58, Jackson, Eocene,

Fissurina mauricensis (Howe and Roberts) Plate 9, figs. lla-b

Ellipsolagena (2?) mauricensis Howe and Roberts, 1939, Louisiana Dept.

Cons., Geol Bull. 14, p. 72, pl. 9, figs. 12, 13 Cook Mt. Claiborne,
Eocene, La.

Test ovate in side and end views, edge rounded, not keeled,
wall smooth, finely perforate; aperture a terminal elongate slit
with lip. Length, 0.26 mm.; breadth, 0.22 mm; thickness, 0.19
mm. Not common.

The figured specimen is larger than the type.

Plesiotype.—No, 4880, locality 14, Lisbon fm., Claiborne, Eo-
cene,

Family POLYMORPHINIDE d’Orbigny, 1846
Genus POLYMORPHINA! d’Orbigny, 1826
Polymorphina liosoma, new species Plate 9, figs. Ta-b

Test elongate ovate, much compressed, apex pointed with a
small spine, sides nearly parallel, maximum width of test about
midway of the length of the test; edge flattened with rounded
angles; sutures strongly oblique, flush with the surface, slightly
curved; chambers about eight pairs enlarging evenly and gradu-
2'ly in length anc height; wall smooth, finely perforate; aperture
terminal, radiate, with about six radial teeth. Length, 0.51 mm. ;
breadth, 0.21 mm.; thickness, 0.03 mm. Not common.

The elongate test, rounded edge, smooth surface, and spined
apex are distinctive, readily separating this species from other

forms. ~ ae
Holotype.—No. 4984, locality 58, Jackson, Eocene.
Pclymorphina nuda Howe and Roberts Plate 9, figs. 8a-b

Polymorphina advena nuda Howe and Roberts, 1939, in Howe, Louisi-
ana Dept. Cons., Geol, Bull. 14, p. 56, pl. 7, fig, 4 Cook Mt., middle
Hocene, La.; Cushman, 1946, Cushman Lab. Foram. Res., Special Publ.
16, p. 20, pl. 4, fig. 19 upper Eocene, Ala.

he two speeies included under this genus are atypical as compared
with the genotype, Polymorphina burdigalensis d’Orbigny (1826, Ann,
Sci. Nat., vol. 7, p. 265, No. 2 Modéle No. 29).

66 BULLETIN I31 96

Test much compressed, broadly ovate; chambers five or six
pairs, elongate, biserial; sutures slightly depressed in the later
pertion of the test, otherwise nearly flush; surface smooth, finely
perforate; edge rounded; aperture terminal, radiate, with about
12 radial teeth. Length, 0.47 mm.; breadth, 0.25 mm.;' thick-
ness, 0.05 mm. Rare.

The rounded edge and the more acute apical end distinguish
this form from P. frondea (Cushman). For a discussion of these
two species refer to Contr. Cushman. Lab. Foram. Res., vol. 21,

p. OI.

Plesiotype.-—No. 4985, locality 58, Jackson, Eocene.

Genus SIGMOIDELLA Cushman and Ozawa, 1928

Sigmoideila lisbonensis, new species Plate 9, figs. 9a-b

Test compressed, ovate in end view, hroadly rounded at base,
apertural end pointed; edge angular to subangular with a rather
blunt keel on most chambers; chambers somewhat compressed
arranged in clockwise sigmoid series, each succeeding chamber
embracing the earlier one, the later two chambers in adults not
extending down to the initial end; sutures slightly depressed,
bordered by the raised keel of the adjacent chamber on the low-
er side; wall smooth, finely perforate ; aperture radiate, terminal,
round. Length, 0.89 mm.; breadth, 0.53 mm.; thickness, 0.26
mm. Common.

S. plummere Cushman and Ozawa differs from this species
in lacking the peripheral keels which stand out on the surface of
the test, forming low ridges bordering the sutures.

Holotype-—No. 5024, locality 16, Lisbon fm., Claiborne, Eo-
cene:
Sigmoidella plummerz Cushman and Ozawa Plate 9, figs.4a-b

Sigmoidella plummere Cushman and Ozawa, 1930, U. 8. Nat. Mus.,

Proe., vol. 77, art: 6, p. 142, pl! 39, figs: 3) a, b Cook Mit) tm) amnid=

dle Hoecene, Tex.; Cushman, 1935, U. S. Geol. Sur., Prof. Paper 181,

p- 29, pl. 10, figs. 13 a, b upper Eocene, 8S. C.; Howe, 1939, Louisi-

ana Dept. Cons., Geol, Bull. 14, p. 56, pl. 7, fig. 14 Cook Mt., middle
Kocene, La.

Test compressed, ovate, broadly rounded at the base, acute

et the apertural end; edge angular; chambers elongate, more or

{
less compressed, arranged in a clockwise sigmoid series, each

scott

97 STAVE CREEK FORAMINIFERA: BANDY 67

succeeding chamber embracing the earlier one, but often the
last chamber not extending down to the initial end; sutures near-
ly flush with the surface, usually distinct: wall smooth, finely
perforate; aperture radiate, terminal, round, Length, 0.73 mm. ;
breadth, 0.45 mm.; thickness, 0.23 mm. Rare.

Plesiotype-—No. 5025, locality 58, Jackson, Eocene.

Genus SIGMOMORPHINA2 Cushman and Ozawa, 1928
Sigmemorphina costifera Cushman Plate 9, figs. 10a-b
Polynorphina jacksonensis Cushman var. costifera Cushman, 1926, Contr,
Cushman Lab. Foram. Res., vol. 2, p. 35 upper Eocene, Ala.
Sigqmomorphina jacksonensis cystifera Bergquist, 1942, Mississippi State
Geol. Sur., Bull. 49 (Fossils), p. 57, pl. 6, figs. 2, 3 upper Hocene,
Miss.

Test fairly large for the genus, broad and compressed; peri-
phery broadly rounded, base rounded; apertural end narrowed
to a slightly produced aperture; chambers elongate, very slightly
inflated, embracing, arranged in a clockwise, sigmoid series, each
chamber removed farther from the base; sutures very slightly
depressed, distinct, slightly curved; wall smooth, finely perforate
and ornamented with many rounded longitudinal striations.
Length, 0.68 mm.; breadth, 0.32 mm.; thickness, 0.16 mm. Rare.

This form is slightly thicker than the type. ‘However, this varie-
ty has been reported from the Claiborne before so that it is
probably identical.

Plesiotype.—No. 5026, locality 18, Lisbon fm., Claiborne, Eo-
cene.

Sigmemorphina jacksonensis (Cushman) ° Plate 9, figs. 138a-b

Polymorphina jacksonensis Cushman, 1926, Contr. Cushman Lab, Foram.

Res., vol. 2, p. 35, pl. 5, fig. 5 upper Hocene, Fla., N. C., S. C., Ala.,
and Miss.

Sigmomorphina jacksonensis Cushman, 1946, Cushman Lab. Foram,

Res., Special Publ. 16, p. 19, pl. 4, fig. 17 upper Eocene, Ala.

Test fairly broad, considerably compressed, base rounded;
periphery smooth; edge rounded; chambers elongate, slightly
inflated, embracing, arranged in sigmoid series, each succeeding
chamber removed farther from the base; sutures very slightly
depressed, distinct, slightly curved; wall smooth, finely perforate ;
aperture radiate, at the end of the much produced last chamber.

2 | have some doubt as to the validity of this genus, for it is more like
the genotype of Polymorphina d’Orbigny (1826, Ann. Sei, Nat., vol. 7, p.

265, No. 2, Modéle No. 29) than are the flattened biserial forms,

68 BULLETIN 131 98

Length, 0.85 mm.; breadth, 0.45 mm.; thickness, 0.18 mm.
Rare.

The figured specimen from the Lisbon formation is very simi-
la: to the type figure. It is, perhaps, somewhat broader at the
base and has slightly more angulate edges.

Plesiotype-—No. 5027, locality 58, Jackson, Eocene.

Genus GUTTULINA d’Orbigny, 1839

Guttulina byramensis (Cushman) Plate 9, figs. 14a-b
Polymorphina byramensis Cushman, 1922, U. 8. Geol. Sur., Pro. Paper
129-E, p. 94, pl. 17, fig. 2 Byram marl, middle Oligocene, Miss.
Guttulina byramensis Cushman and ‘Todd, 1946, Contr. Cushman Lab.
Foram. Res., vol. 22, p. 86, pl. 15, fig. 8 Byram marl, middle Oligo-
cene, Miss,

Test short and broad, triangular, composed of a few chambers,
usually only four on the outside, all except a fifth chamber ex-
tending back to the center of the base of the test, forming a flat
or concave base; chambers moderately inflated; sutures de-
pressed, distinct ; surface smooth, finely perforate; aperture finely
radiate, only slightly produced. Length, 0.65 mm.; breadth, 0.54
mm.; thickness, 0.38 mm. Common. |

Plesiotype.—No. 4918, locality 58, Jackson, Eocene.
Guttulina communis (d’Orbigny) Plate 9, figs. 12a-b

Polymorphina [Guttuline| communis d’Orbigny, 1826, Ann. Sci. Nat.,
ser. 1, vol. 7, p. 266, pl. 12) figs. 1-4.

Gultulina irregularis Cushman (not d’Orbigny), 19385, U. 8. Geol.
Sur., Prof. Paper 181, p. 24, pl. 9,- figs. 13-16 wpper Hocene, Alay;
Oligocene, Mex.; Bergquist (not d’Orbigny), 1942, Mississippi State
Geol, Sur., Bull. 49 (Fossils), p. 54, pl. 6, figs. 5, 6 upper Hocene,
Miss.

Test oval, equilaterally triangular with rounded sides and
angles excepting the acute apertural end; chambers elongate,
each chamber, excepting the last two in full-grown specimens,
coming down to the base; sutures depressed, distinct; surface
smooth; aperture terminal, radiate. Length, 0.64 mm.; breadth,
0.65 mm.; thickness, 0.43 mm. Common.

G. irregularis (d’Orbigny) (1846, Foraminiferes fossiles du
bassin Tertaire de Vienne, p. 226, pl. 13, figs. 9, 10 is more near-
ly round in side view, with flattened sides and a very different ap-
pearance in end view. G. communis (d’Orbigny) as seen in end
view is flat on one side and convex on the other.

Plesiotype.—No. 4921, locality 58, Jackson, Eocene.

OC STAVE CREEK FORAMINIFERA: BANDY 69

Guttulina consobrina (Fornasini) Plate 10, figs. Ta-c
Polymorphina sororia consobrinad Fornasini, 1900-1902, Mem. R. Acead,
Sei. Ist. Bologna, ser. 5, vol. 15, p. 69, tig. 21 (text) Pliocene, Italy.
Giobulina consobrina Cushman and Ozawa, 1930, U. 8, Nat. Mus.,
Proe., vol. 77, art. 6, p. 85, pl. 21, figs. 6a-c Miocene, Hungary, Aus-
tria, France,
Globulina ampulla Bergquist (not Jones), Mississippi State Geol. Sur.,
Bull. 49 (Fossils), p. 55, pl. 6, fig. 10 upper Kocene, Miss.

Test short fusiform, pointed at both ends; chambers rounded,
little inflated, arranged three to a whorl; sutures little depressed
but distinct; surface smooth, aperture finely radiate, terminal.
Length, 0.93 mm.; breadth, 0.52 mm.; thickness, 0.41 mm, Rare.

This species is assigned to Guttilina because of the somewhat
swollen character of the early chambers.

Plesiotype-—No. 4919, locality 12, Lisbon fm., Claiborne, Eo-
cene,

Guttulina hantkeni Cushman and Ozawa Plate 10, figs. la-b

Poiymorphina acuta Hantken, 1875 (not d’Orbigny), Magy. kir, féldt.

int. Evkonyve, vel. 4, p. 51, pl. 8, fig. 4 Eocene, Hungary.

Guttulina hantkenit Cushman and Ozawa, 1930, U. S. Nat, Mus., Proe.,
vol. 77, art. 6, p. 33, pl. 15, figs. 4-6 Eocene, Hungary.

Test somewhat botryoidal, high-spired, more or less rounded
at the base, acute at the aperture, greatest breadth above the
middle; chambers inflated, ovate, embracing but little, three
chambers to a whorl, each succeeding chamber removed farther
from the base; sutures much depressed, very distinct excepting
for the earlier ones; wall smooth, aperture radiate, produced.
Length, 0.65 mm.; breadth, 0.47 mm.; thickness, 0.39 mm.;
Common.

Plesiotype—No. 4920, locality 58, Jackson, Eocene.
Guttulina stavensis, new species Plate 10, figs. 8a-e

Test fusiform, pointed at the base, acute at the apertural end,
greatest breadth about the middle; chambers rather few, about
twice as long as wide, each succeeding chamber of the adult
form reaching back from about one-half to two-thirds of the
way to the base of the preceding chamber; sutures distinct, only
‘slightly depressed; wall smooth, finely perforate; aperture radi-
ate, terminal, about 10 radial teeth present. Length, 053 mm.;
diameter, 0.24 mm. Rare.

This species differs from G. wMcoxensis Cushman and Ponton

76 BULLETIN 131 100

(1932, Contr. Cushman Lab, Foram. Res., vol. 8, pt. 3) in the
less depressed sutures and the slightly broader chambers. The
acute initial end separates it from many other related forms.
Holotype.—No. 4922, locality 15, Lisbon fm., Claiborne, Eo-
cene.
Guttulina, sp. Plate 10, figs. 2a-b
The figured specimen is a young form which has not yet ac-
quired sufficient adult characters to be determined. Length, 0.33
mm.; breadth, 0.23 mm.; thickness, 0.19 mm. Rare.
Plesiotype-—No. 4923, locality 10, Tallahatta fm., Claiborne,
Iocene.

Genus RAPHANULINA® Zborzewski, 1834
Raphanulina gibba (d’Orbigny) Plate 10, figs. 4a-b
Globulina gibba d’Orbigny, 1826, Ann. Sci, Nat., vol. 7, p. 266, Modéle
No. 63, 1826; Cushman, 1946, Cushman Lab. Foram, Res., Special
Publ. 16, p. 18, pl. 4, fig. 16 upper Eocene, Ala.

Test globular, variable in details of shape, transverse section
almost circular; chambers few, inflated, rounded, three in the
last whorl; sutures nearly flush, usually distinct; wall smooth,
finely perforate ; some specimens with fistulose tubes at the aper-
tural end; aperture terminal, radiate. Length, 0.64 mm.; breadth,
0.47 mm.; thickness, 0.43 mm. Common.

Plesiotype-—No. 4999, locality 58, Jackson, Eocene.
Raphanulina inequalis (Reuss) Plate 10, figs. 5a-b

Globulina tnrequalis Keuss, 1850, K, Akad. Wiss. Wien Denkseir., vol.

1, p. 377, pl. 48, fig. 9 Miocene, Germany; Cushman and Ozawa, 1930,
Uz 3S; Nat. Mus: Proc, vol: 77, art: 6; 9p; 7, pl, 8) fies, 2-47 Bere
‘quist, 1942, Mississippi State Geol. Sur., Bull. 49 (Fossils), p. 56
upper Eocene, Miss.

Test ovate, compressed, broadly rounded at the base, taper-
ing toward the apex; chambers few, inflated, much overlapping,
arranged in a nearly triserial series; sutures flush with the sur-
face, distinct; wall smooth, finely perforate; aperture radiate.
terminal. Length, 0.29 mm.; breadth, 0.20 mm.; thickness, 0.12
mm, Kare.

Plesiotype.—No. 5000, locality 32, Lisbon fm., Claiborne, Eo-
cene.

Raphanulina tuberculata (d’Orbigny) Plate 10, figs. 6a-b
Globulina tuberculata d’Orbigny, 1846, Foraminiféres fossiles du bas-

3 Raphanulina is incorrectly ealled Globulina by most authors, although
Zborzewski’s name is valid and was published five years before that of
D’Orbigny’s.

101 STAVE CREEK FORAMINIFERA: BANDy 71

sin Tertiaire de Vienne, p.- 230, pl. 13, figs. 21, 22 Miocene, Vienna,
Globulina gibla tuberculata Bergquist, 1942, Mississippi State Geol.
Sur., Bull. 49 (Fossils), p. 56, pl. 6, figs. 13, 18 upper Eocene, Miss.

Test globular to subglobular, transverse section nearly circu-
lar; chambers few, inflated, rounded, arrangement nearly tri-
serial; sutures flush; surface covered with small, narrow, high
papillz ; aperture terminal, radiate. Length, 0.58 mm. ; breadth,
0.56 mm.; thickness, 0.50 mm. Kare.

Plesiotype-—No. 5001, locality 58, Jackson, Eocene.

Genus PIMORPHINA d’Orbigny, 1826
Dimorphina danviilensis subtenuis, new variety Plate 10, figs. 1la-b
Denialina CLasitorta Bergquist (not Cushman), 1942, Mississippi State

Geol. Sur., Bull, 49 (Fossils), p. 40, pl. 5, fig. 15 (mot 16 a, b) up-
per Hocene, Miss.. —

Test very elongate, slender, circular in cross section, some-
what arcuate, initial end pointed with small spine, early portion
triserial, later uniserial; chambers distinct, the early ones elon-
gate, very slightly inflated, later chambers inflated, becoming
more and more elongate as added; sutures distinct, strongly ob-
lique throughout the uniserial portion, depressed; surface
smooth ; aperture terminal, radiate, about six radial teeth. Length,
0.60 mm.; diameter, 0.11 mm. Rare.

This form differs from'the Cretaceous Dimorphina basitorta
(Cushman) (1938, Contr. Cushman Lab. Foram. Res., vol. 14)
in having strongly oblique sutures throughout and in the increase
in length of the chambers as added. No specimens were found
which were as stout as D. danvillensis Howe and Wallace (1932,
Geol. Bull. 2, Louisiana Dept. Conservation).

Holotype.—No. 4869, locality 58, Jackson, Eocene.

Family NONIONIDA® Reuss, 1860
Genus NONION/’ Mentfort, 1808

‘Menion advena (Cushman) Plate 10, figs. 8a-b
Nonionina advena Cushman, 1922, U. 8. Geol. Sur., Prof. Paper 129-F,
p. 139, pl. 32, fig. 8 middle Oligocene, Miss.; Cushman and Applin,
1926, Bull. Amer. Assoc. Petr. Geol., vol. 10; p. 181, pl. 10, figs. 16,
17 upper Hocene, Tex.
Nonion advena Howe, 1928, Jour. -Paleont., vol. 2, p. 175 (list), Red
Bluff clay, lower Oligocene. Miss.
Nonion advenum Cushman and Herrick, 1945, Contr. Cushman Lab.
Foram. Res., vol. 21, p. 61, pl. 10, fig. 9 MeBean fm., Eocene, Ga.

Test small, subcircular in side view, biconvex ; edge rounded ;
4Montfort used Nonion as a maseulime noun in his original discussion

ot this genus (Conchy. Syst., 1808, p. 211), hence masculine endings
should be used in forming adjectival specific names.

BULLETIN I31 102

“NI
bo

periphery smooth ; nine to eleven chambers in the last whorl; um-
bilical region on both sides occupied by a boss of clear sheli
material; surface smooth; sutures curved, slightly sigmoid, the
inner portions excavated and_ broadened ; aperture a series O:
about 10 small pores at the base of the septal face. Diameter,
0.35 mm.; thickness, 0.12 mm. Common,

This species looks much like an Elphidiwm, but several well-
preserved specimens fail to show pores along the sutures.

Plesiotype-—No. 4962, locality 50, Yazoo clay, Jackson, Eo-
cene.

Nonion danvillensis Howe and Wallace Plate 10, figs. 10a-b

Nonion danviliensis Howe and Wallace, 1932, Louisiana Dept. Cons.,
Geol. Bull. No. 2, p. 51, pl. 9, fig 3 upper Eocene, La.

Nonion danvillense Cushman and Todd, 1945, Contr. Cushman Lab.
Foram. Res., vol. 21, p. 92, pl. 15, fig. 4 Moodys marl, upper Eocene,
Miss.

Test ovate, regularly involute to umbilicus and tending to be-
come evolute; periphery lobulate; edge round; chambers about
six or seven in-the last whorl, rapidly enlarging in all dimensions,
inflated; sutures distinct, radial, slightly curved and much de-
pressed ; wall smooth, finely perforate, umbilici deep with a thin
papillate filling; aperture a wide slit at the base of the septal
face with thin upper lip. Diameter, 0.31 mm.; maximum thick-
ness of last chamber, 0.17 mm. Common,

Although the figured specimen displays the same number of
chambers that the original of N. micrus Cole (1927, Bull. Amer.
Paleont., vol. 14, No. 51) has, it is placed under this species
on the basis of the less globular chambers and papillate um-
bilicus.

Plesiotype.-—No. 4963, locality 58, Jackson, Eocene.

Nonion inexcavatus (Cushman and Applin) Plate 10, figs. 9a-b

Nonionina advena ineacavata Cushman and Applin, 1926, Bull, Amer.
Assoc, Petr. Geol., vol. 10, p. 182, pl. 10, figs. 18, 19 upper Kocene,
Mex: s

Nonicn inexcavatum Ellisor, 1933, Bull. Amer. Assoc. Petr, Geol., vol.
17, No: ll, pl. 2; fie. 7; Cushman, 19355 U.S: Geol. Sur. Prot eaper
181, p. 30, pl. 11, figs. 5-8; 1945, Contr, Cushman Lab. Foram. Res.,
vol, 21, p..5, pl. 1, fig. 16 Twiggs clay, Eocene,” Ga.

Test of medium size, circular to oval in outline, biconvex;

periphery faintly to moderately lobulate; edge sharply rounded ;

103 STAVE CREEK FORAMINIFERA: BANDY 73

chambers 12 to 15 in the last whorl, distinct, slightly inflated,
especially on the sides; sutures slightly curved, slightly de-
pressed ; umbilical areas with small knob of clear shell material
and additional pustulose ornamentation, especially toward the
aperture; surface smooth; aperture a series of small pores at the
base of the septal face, and a few pores on the septal face. D1-
ameter, 0.51 mm.; thickness, 0.17 mm. Common.

The figured specimen tends to be evolute, is not so circular,
and the periphery is less lobulate than in other specimens. There
ere indications of pores along the sutures in some specimens, but
they are so faint that it is considered advisable to retain this
species under Nonion.

Plesiotype.—No. 4964, locality 47, Yazoo clay, Jackson, Ko-
cene.

Nonion mauricensis Howe and Ellis Plate 10, figs. 12a-b
Nonion mauricensis Howe and Ellis, 1939, Louisiana Dept. Cons., Geol.
Bull. 14, p. 57, pl. 8, figs. 1, 2 Cook Mt., Claiborne, Eocene, La.;
Cushman and Todd, 1945, Contr. Cushman Lab. Foram, Res., vol. 21,

p. 15, pl. 3, figs. 27, 28 Lisbon fm., middle Eocene, Ala.

Test small, subcircular in the side view, bicunvex ; periphery
slightly lobulate; edge rounded; eight or nine chambers in the
last coil; sutures moderately depressed, curved; umbilici strongly
papillate; aperture in some specimens a low arch at the base
of the septal face, partially filled with a secondary deposit, in
others, as in the specimen figured, the arch is absent and there
are a few pores at the base and lower down on the septal face. In
a broken specimen the arched aperture was observed at the base
of the septal face in septa prior. to the last, much as in Howe
and Ellis’s figure. Diameter, 0.36 mm; thickness, 0.15 mm. Com-
mon. |

Plesiotype.—No, 4965, locality 26, Lisbon fm., middle Eocene.
Nonion nicobarensis Cushman Plate 10, figs. 13a-b

Nonionina umbilicata Brady (not Montagu), 1884, Rep. Voy. Chal-
lenger, Zoology, vol, 9, p. 726, pl. 109, figs. 8, 9 Recent, West Indies
and all oceans; Cushman and Applin, 1926, Bull. Amer. Assoc. Petr.
Geol., vol, 10, p. 182, pl. 10, figs. 14, 15 upper Eocene, Tex.

Nonion nicobarensis Cushman, 1936, Contr. Cushman Lab, Foram, Res.,
vol. 12, p: 67, pl. 12, figs. 9 a, b Pliocene, Kar Nikobar.

Nonion nicobarense Galloway and Heminway, 1941, New York Aead.
Sci., Sci. Survey of Porto Rico and the Virgin Islands, vol. 3, pt. 4,
p. 357, pl. 10, figs. 1 a, b Oligocene and Miocene, Porto Rico.

BULLETIN 131 104

NI
a

Test. small for the genus, subcircular in outline, periphery
smogth not lobulate; back rounded; test biumbilicate; nine to
eleven chambers in the final whorl, gradually increasing in size;
sutures nearly radial, slightly curved, flush with the surface and
limbate, the limbations fusing around the umbilicus to form a
continuous limbate ring; surface smooth; wall coarsely perforate ;
apertural face slightly convex, nearly equidimensional; aperture
a narrow elongate arch on the inner margin of the last septal
face with a strong upper lip. Diameter, 0.33 mm.; thickness, 0.16
mm. Common,

Plesiotype-—No. 4966, locality 58, Jackson, Eocene.

Nonion planatus Cushman and Thomas Plate 11, figs. la-b
Nowion planatum Cushman ard Thomas, 1930, Jour. Paleont., vol. 4, p.
37, pl. 3, figs. 5 a, b middle Hocene, Tex.: Cushman and Dusenbury,

1934. Contr. Cushmen Lab. Foram. Res., vol. 10. p. 60, pl. 8, figs. 6 a,
b. Eocene, Poway congl., Calif.; Cushman and Applin, 1943, Contr.
Cushman Lab. Foram. Res., vol. 19, p. 37, pl. 7. fig. 24° Yeoua fm,
middle Hocene, Tex.

Test planispiral, biumbilicate; edge rounded; _ periphery .

smooth, very slightly lobulate in the later portion; chambers
© to 10 in the final whorl, mostly distinct, increasing gradually
in size; sutures flush, slightly depressed in the later portion, end-
ing in a thickened ring with slight inward projections about the
umbilici; surface smooth ; wall finely but conspicuously perforate ;
aperture a low arch at the base of the septal face. Diameter, 0.29
mm. ;. greatest thickness, 0.12 mm. Common.

Plesiotype—No. 4967, locality 7, Tallahatta fm., Claiborne,
Eocene.
Neonion rolshauseni, new species Plate 11, figs. 3a-b

Test lenticular, close-coiled planispirally, the umbilical area on
each side with a large boss, 1/4 to 1/3 the diameter of the en-
tire test; edge angled; periphery smooth, slightly lobulate on
the last few chambers: chambers distinct, 11 or 12 in the last
whorl, gradually increasing in size as added; sutures distinct.
prominently excavated halfway to the periphery, slightly curved,

umbonal material sometimes extending a very short distance

out along some of the sutures; surface smooth with papillee
around the umbos; wall finely perforate ; aperture ‘indistinct, in
some specimens a row of pores at the base of the last septal face
may be seen, as in the figure, and some rather small perforations
can be seen scattered about on the last septal face. Diameter,
0.46 mm.; thickness, 0.24 mm.

Ni
,
}
9
4
¥
;
2

wo

105 STAVE CREEK FORAMINIFERA: BANDY 75

This species differs from N. chapapotensis Cole (1928, Bull.
Amer. Paleont., vol. 14, No. 53) in being lenticular with very
large bosses, ‘the papillate character of the apertural sides of the
umbonal bosses, excavated sutures, and the apertural character.
It is easily distinguished from N. inexcavatus (Cushman and
Applin) (1926, Bull Amer. Assoc. Petr. Geol., voli to) ‘by its
lenticular, slightly keeled form and the very large umbonal boss-
es as well as the other characters mentioned above. In some
specimens a very faint trace of pores along a portion of some of
the sutures can be detected, indicating the affiliation of Nonion
‘with Elphidium. Abundant.

This species is named in honor of My. F. W. Rolshausen,
Chief Paleontologist for the Humble Oil and Refining Com-
pany, Houston, Texas.

Holotype.—No., 4968, locality 36, Gosport im., Claiborne, Eo-
cene.

Nonion stavensis, new species Plate 11, figs. ba-b

Test fairly large, subcircular in side view with a lobulate pe-
riphery ; involute just to the umbilicus but umbilicate on both
sides; chambers enlarging very gradually, eight to ten in number,
becoming rather inflated in the later part of the last whorl; sur-
fece smooth; wall very finely perforate; umbilical areas orna-
mented with papillz, papille extending out along the later su-
tures and -giving a false appearance of retral processes and su-
tural pores; sutures depressed, curved; aperture a series of
small round pores at the base of the septal face. Diameter, 0.51
mm ; thickness, 0.22 mm. Abundant.

This form differs from N. mauricensis Howe and Ellis in
having a more lobulate periphery, chambers more inflated, more
deeply umbilicate, aperture consisting of a series of pores at
the base of the apertural face, and in being much larger. In
the Little Stave Creek section, these forms do not occur together.

Holotype-——No. 4969, locality 33, Lisbon fm., Claiborne, Eo-
cene,

Nonion tallakattensis, new species Plate 11, figs. 1la-b

Test small, nautiloid, lenticular in edge view, subcircular in
sive view, very slightly lobulate in the last few chambers; um-
bilici1 about 1/4 the diameter of the test, flattened and papillate ;

76 ’ BULLETIN 131 . 106

chambers distinct, about nine in the last whorl; sutures nearly
straight, radial, depressed very little excepting in the last part of
the final coil, some with inconspicuous puncta resembling su-
tural pores, but not of the strength of those in Elphidium,; sur-
face smooth excepting for the papillate umbilical areas; wall
finely perforate; aperture a series of pores at the base of septal
face. Diameter, 0.35; mami; thickness, 0.13. om: Common,

N. tallahattensis resembles E. nautiloideum Galloway and
Heminway (1941, New York Acad. Sci., Sci. Survey Porto
Rico, vol. 3, pt. 4) but lacks the definite sutural pores of that
form. The papillate umbilici, radial sutures, and relatively smooth
periphery are the distinctive features. It differs from N. mauri-
censis 11 the nearly straight sutures.

Holotype-—No. 4882, locality 10, Tallahatta fm., Claiborne,
[ocene.

Genus HANTKENINA Cushman, 1925

Hantkenina alabamensis Cushman Plate 11, figs. 9a-b
Hantkenina alabamensis Cushman, 1924, U. S. Nat. Mus., Proe., vol.
66, art. 30. p. 3, pl. 1, figs. 1-6 upper Eocene, Ala.; 1946, Cushman

Lab; Foram. Res., Special Publ. 16,-p. 37, pl. -7, fig. 17 upper Eo-

g
cene, Ala.

Test planispiral, compressed, adult whorl with five or six
chambers, periphery slightly lobulate; wall finely but conspic-
uously perforate, papillate below the aperture, each chamber
with a hollow, slender, acicular spine at the periphery pointing
somewhat anteriorly; aperture tripartite, with an elongate slit
along each side of the base of the apertural face, and the third,
1uedian, extending up into the septal face from the base of the
apertural face; aperture with overhanging flaps. Diameter ex-
clusive of spines, 0.50 mm.; thickness, 0.26 mm. Common.

Plesiotype.-—No. 4925, locality 58, Jackson, Eocene.

Genus CRIBROHANTKENINA Thalmann, 1942

Cribrohanikenina mecordi (Howe and Wallace) Plate 11, figs. 10a-b

Hantkenina mecordi Howe and Wallace, 1932, Louisiana Dept. Cons.
Geol. Bull. No. 2, p. 55, pl. 10, fig. 1 upper Eocene, La.; 1934, Jour.
Paleont., vol. 8, p. 36, pl. 5, fig. 15; Thalmann, 1942, Stanford Univ.
Publ,, Univ. Ser., Geol. Sci., vol. 3, No. 1, p. 6 (table).

Hantkenina danvillensis. Howe and Wallace, 1934, Jour. Paleont., vol.
8, p. 37, pl. 5, figs. 14, 17 upper Eocene, La.; Thalmann, 1942, Stan-
ford Univ. Publ,, Univ. Ser., Geol. Sci., vol. 3, No. 1, p. 6 (table).

Cribrohantkenina mecordi Cushman, 1946, Cushman Lab, Foram. Res.,
Special Publ. 16, p. 38, p. 7, figs. 18-22 upper Hocene, La.

107 STAVE CREEK FORAMINIFERA: BANDY Hg

Test planispiral, bilaterally symmetrical, involute to umbilicus;
periphery lobate; chambers inflated, five in the last whorl, in-
creasing rapidly in size, each with a fairly long hollow spine
located on the periphery near the contact with the next younger
chamber; surface smooth; wall conspicuously perforate; su-
tures much depressed and nearly racial, slightly curved; aper-
ture consisting of round, collared openings on the apertural face,
with a crescentic opening at the base of the septal face. Di-
ameter without spines, 0.52 mm.; width of last chamber, 0.38
mm. Common.

The few specimens found at locality 58 exhibit considerable
variation as to the character of the aperture The figured speci-
men has flaps over small lateral remnants of the basal aper-
ture, and there is no plate on the apertural face, only tubular
openings in the septal face itself. In one specimen the apertural
face is covered with a papillate, secondary deposit.

Plesiotype —No. 4859, locality 58, Jackson, Eocene.

Genus NONIONELLA Cushman, 1926
Nonionella jacksonensis spiralis, new variety Plate 11, figs. Ta-b

Test very small, somewhat ovate in outline, longer than broad,
ventral side completely involute, last chamber just covering the
umbilical region, dorsal side showing the complete spire; edge
sharply rounded; periphery smooth; chambers distinct, about
eight in the final whorl, becoming increasingly elongate in the
adult; sutures distinct, slightly, if at all, depressed; surface
smooth; wall finely perforate; aperture a low arch extending
from the periphery a short distance toward the ventral umbilicus
along the base of the last septal face with an upper lip. Length,
0.19 mm.; breadth, 0.12 mm.; thickness, 0.08 mm. Rare.

This variety is distinct from the species (Cushman Contrib.
Foram. Res., vol. 9, p. 10) in its extremely small size, the com-
paratively larger spire as compared with the adult chambers
end the character of the ventral lobe of the last chamber which
dees not extend across the umbilical area.

Holotype.—No. 4970, locality 9, Tallahatta fm., Claiborne, Eo-
cene.

Nonionella longicamerata, new species- Plate 11, figs. 8a-b
Test small, longer than broad, ventral side nearly involute,

with central papillate umbilicus, dorsal side evolute; edge ab-

78 BULLETIN 131 108

ruptly rounded; periphery smooth, not lobulate; chambers
cight to ten in the last whorl, distinct, increasing rapidly in
iength as added, the last chamber elongate and overhanging the
early part; sutures distinct, slightly depressed, especially toward
the umbilicus, slightly curved toward the periphery; surface
smooth; wall finely perforate, ventral umbilicus papillate, papil-
le usually obscured by foreign material; aperture obscured by
the much elongated and overhanging last chamber. Length, 0.28
mm.; breadth, 0.18 mm.; thickness, 0.11 mm. Rare.

The evolute overhanging terminal chamber and the papillate
umbilicus serve to distinguish this small species from N. turgica
(Williamson) (1858, Rec. Foram., Great Britain).

Holotype.—No. 4971, locality 7, Tallahatta fm., Claiborne, Eo-
cene.

Nonionella spissa Cushman Plate 11, figs. 2a-c, 4a-ce

Nonionelia hantkeni spissa Cushman, 1931, Contr. Cushman Lab. Foram.
Res., vol. 7, p. 58, pl. 7, fig. 13 upper Hocene, S. C.; Cushman, 1939,
.U. 8, Geol. Sur., Prof. Paper 191, p. 30, pl. 8, fig. 5; Cushman and
Herrick, 1945, Contr. Cushman Lab. Foram. Res., vol. 21, p. 63, pl.
10, fig. 12 McBean fm., Hocene, Ga. ‘

Test rather thick, somewhat longer than broad, subovate in .

outline; periphery nearly smooth, entire; edge sharply rounded;
slightly evolute on one side; sutures distinct, slightly curved,
very little depressed excepting in the later portion of the test;
sutface smooth; wall finely perforate with papillate umbilicus on
the involute side; aperture a very low arch at the base of the sep-
tal face, extending slightly farther toward the involute side.
Maximum diameter, 0.53 mm.; thickness, 0.24 mm. Common.
Plesiotype.—No. 4972, locality 46, Jackson, Eocene; plesio-
type, No. 4973, locality 10, Tallahatta fm., Claiborne, Eocene.

Neonionella winniana Howe Plate 11, figs. 6a-c

Nonionella winniana Howe, 1939, Louisiana Dept. Cons., Geol, Bull.
14, p. 60, pl. 7, figs. 26, 27 Cook Mt., middle Hocene, La.

Test elongate ovate, thick, two sides nearly symmetrical but
sightly evolute on one side; edge rounded; periphery smooth;
chambers eight or nine in the last whorl, increasing gradually in
size as added; surface smooth; wall finely perforate, umbilicus
on ventral side covered with papilla, dorsal spire with papille
also; sutures radial, very little curved, flush; aperture reduced,

109 STAVE CREEK FORAMINIFERA: BANDY 79

\

not apparent, covered with .papille if present. Maximum di-
emeter, 0.55 mm.; thickness, 0.22 mm. Rare.
Plesiotype.—No. 4974, locality 31, Lisbon fm., Claiborne, Eo-
cene.
Genus PULLENIA Parker and Jones, 1862

Pullenia quinquecloba aplata, new variety Plate 12. figs. 5a-b

Pullenia quinqueloba angusta Cashman (not Cushman and Todd), 1946,

Csslman Dab: Foram. Kes. Special Publ. 16, p. 37; ple 7) fe. 1
upper Eocene, Ala.

Test considerably compressed, subcircular, periphery slightly
lobulate; edge subangular ; chambers 5™% in the adult, increasing
very gradually in size as added; sutures very slightly depressed
or flush with the surface, nearly radial, slightly curved; sur-
face smooth ; wall finely perforate; aperture obscure, pores on or
at the base of the septal face, or a low opening extending to the
umbilicus on either side and filled with secondary deposit; aper-
tural face comparatively high, slightly convex. Diameter of holo-
type, 0.43 mm.; thickness, 0.18 mm. Common.

This variety differs from P. quinqueloba angusta Cushman
and Todd in havine a more angular edge and in being slightly
more compressed, and in the obscure aperture. The figures in
Contr. Cushman Lab. Foram. Res., vol. 19, pt..1 of P. angusta
readily show the distinction.

Holotype.—No. 4988, locality 58, Jackson, Eocene.

Family ROTALIID4 Reuss, 1860
Genus GLOBOROTALIA Cushman, 1927

Globorotalia cocoaensis Cushman Plate 12, figs. la-c
Globorotalia cocoaensis Cushman, 1928, Contr. Cushman. .uab. Foram.
Rer., vol. 4, p. 75, pl. 10, fig. 3 upper Hocene, Ala.; Cushman, 1946,
Cushman Lab. Foram, Res., Special Publ. 16, p. 38, pl. 7, figs. 14-16
upper Eocene, Ala., Ga., 8; C., Fla., Miss., La., Tex., Panama, and
from the Woeene of Borneo.

Test small, with low, rounded dorsal spire, and strongly con-
vex ventral side; periphery somewhat lobulate; edge abruptly
rounded to subacute; chambers distinct, usually four in the last
‘yhorl, last chamber much more inflated than the others; su-
tures distinct on the dorsal side, oblique and curved; ventral
sutures nearly radial, straight, depressed; surface smooth; wall
fnely but conspicuously perforate, ventral portion of test near
the aperture usually papillate or spinose; aperture a rather large

8c BULLETIN 131 110

open arch extending from near the periphery to the umbilicus,
vith thickened lip. Diameter, 0.57 mm.; thickness, 0.37 mm.
Common.

Plestotype-—No. 4912, locality 58, Jackson, Eocene.
Globorotalia crassata densa (Cushman) Plate 12, figs. 4a-c

Pulrinulina cras:ata densa Cushman, 1925, Bull. Amer. Assoc. Petr.
Geol., vol. 9; p. 301 Eocene, Mex.

(loborotalia crassata densa Cushman and Barksdale, 1930, Contrib. Dept.
Geol; Staniord Univ., vol. 1, No. 2, p. 68, pl: 12, figs. 8 a, b mid-
dle Eocene, Calif.

Test small, planoconvex, dorsal side flattened, ventral side
strongly convex and umbilicate; edge rather abruptly rounded;
periphery lobulate; chambers four to five in the last whorl, in-
fiated somewhat dorsally and strongly so on the ventral side; su-
tures distinct, slightly depressed dorsaily and curved, strongly
depressed on the ventral side and nearly radial; surface spinose
er papillate; aperture an elongate arch on the inner edge of the
ventral face with an outer lip, extending into the umbilicus. Di-
ameter, 0.33 mm.; thickness, 0.22 mm. Common.

Plesiotype—No. 4913, locality 7, Tallahatta fm., Claiborne,
Eocene.

Gioborotalia mariannensis (Cushman) Plate 12, figs. 8a-c

Pulvinulinad maranncnsis Cushman, 1923, U. 8. Geol. Sur., Prof, Paper

138, p. 44, pl. 7, figs. 1-3 Marianna Is. middle Oligocene, Ala.

Test biconvex, dorsal side slightly convex, ventral side rather
strongly so in many specimens; edge acute; periphery very
slightly lobulate with thickened narrow keel; chambers six to
eight in number, fairly rapidly increasing in size as added; dorsal
sutures strongly limbate and raised, obliquely curved; ventral su-
tures nearly radial, depressed and terminating in a calloused
area which surrounds the umbilicus; aperture an elongate open-
ing narrowest at the periphery and widening toward the um-
bilicus, usually with a narrow lip which is mostly concealed by
the projecting curvature of the last septal face. Diameter, 0.97
mim.; thickness, 0.44 mm. Abundant.

Plesiotype.—No. 4914, locality 65, Mint Spring marl, Vicks-
burg, Oligocene.

Teiet STAVE CREEK FORAMINIFERA: BANDY SI

Genus CANCRIS Montfort, 1808
Cancris claibornensis Howe Plate 12, figs. 2a-c
Cancris claibornensis Howe, 1939, Louisiana Dept. Cons., Bull. 14, p.

78, pl. 10, figs, 20, 21 Woecene, La.; Cushman, 1942, Contr. Cushman
Lab. Foram. Res., vol. 18, p. 86, pl. 22, figs. 5-7 Hocene, Miss.
Test transparent, small, compressed, biconvex, longer than
wide, composed of two whorls, with chambers arranged in a
low rotaloid spire; dorsal side moderately convex, ventral side
less convex, with small deep umbilicus; periphery with sharp,
narrow flange which is wider on the last chamber; edge acute;
sutures limbate on both sides, curved and almost flush dorsally,
depressed and radial ventrally; chambers nine in number, five
in the last whorl, the last chamber comprises about 2/5 of the
entire test; wall finely perforate, with an oval glassy area toward
the umbilical portion of each chamber ventrally ; aperture opening
into the umbilicus, covered by a short lobe with narrow lip, the
lobe an extension: of the last septal face. Length, 0.41 mm. ;
width, 0.30 mm.; thickness, 0.16 mm. Common.

Plesiotype.-—No. 4826, locality 18, Lisbon fm., Claiborne, EKo-
cene,
Cancris cocoaensis Cushman Plate 12, figs. Ta-c

Cancris brongniartti Cushman (not d’Orbigny), 1935, U. 8. Geol. Sur.,
Prof. Paper 181, p. 48, pl. 20, fig. 1 upper Hocene, N.'C., S. C., and
Miss.

Caneris, sp. Cushman and Todd, 1942, Contr. Cushman Lab. Foram. Res.,
vol. 18, p. 90, pl. 23, figs. 3, 4 upper Hocene, N. C., S. C., and Miss.

Canecris cocoaensis Cushman, 1946, Cushman Lab, Foram, Res., Special
Publ. 16, p. 35, pl. 7, fig. 5 upper Eocene, Ala.

Test oval in side view, biconvex, more so ventrally, ventral
umbilicus ; edge acute; periphery with a thin keel, particularly in
the later part, somewhat lobulate in adult portion; chambers
ebout six in the final whorl, moderately inflated ventrally, flat-
tened dorsally, increasing evenly but rather rapidly as added;
sutures distinct, nearly radial and depressed on the ventral side,
slightly curved on the dorsal surface and narrowly limbate; wall
smooth, finely perforate, with a clear area on the ventral border
of the last-formed chamber; aperture opening into the umbilicus
with a large flap concealing most of the umbilicus in well-pre-
served specimens. Diameter, 0.65 mm.; thickness, 0.23 mm.
Common.

Plesiotype-—No.. 4827, locality 58, Jackson, Eocene.

82 BULLETIN I31 12

Cancris, sp. Plate 12, figs. 6a-¢

This form may be an abnormal specimen of C. cocoaensis
Cushman inasmuch as only one specimen of this was found at
locality 58 where an abundance of cocoaensis specimens occurs.
Rare.

Plesiotype.—No. 4828, locality 58, Jackson, Eocene.

Genus LAMARCKINA Berthelin, 1881

Lamarckina biconvexa, new species Plate 12, figs. 3a-e

Test subcircular, biconvex, with about two coils showing on
the convex dorsal side, ventral side undulating, convex with
central umbo and deep, oval vestibule between umbilicus and
periphery; edge acute; periphery smooth in most specimens,
gerontic forms, such as that one figured, becoming lobulate in
the later portion of the test; sutures strongly lmbate and raised
corsally, coalescing near the umbo to obscure the spire; ventral
sutures very indistinct, usually nearly obscured by thickening ex-
cepting near the periphery; wall smooth, finely perforate except-
ing for the secondary tissue which is imperforate, polished over
much of the ventral surface in the region of thickening; aper-
ture modified by the ventral thickening into an oval vestibule,
with toothlike extension of the last chamber, the aperture has
migrated from the umbilical (now umbonal) region toward the
periphery. Diameter, 0.45 mm.; thickness, 0.24 mm. Common.

This species differs from L. claibornensis Cushman (1926,
Contr. Cushman’ Wab, Foram: Res., vol..'2, pt. 1, p. 10), in being
strongly convex on the ventral surface with prominent umbonal
thickening resulting in a strongly biconvex test.

Holotype.—No. 4937, locality 7, Tallahatta fm., Claiborne, Eo-
cene.

Genus VALVULINERIA Cushman, 1926

Valvulineria danvillensis gyroidinoides, new variety Plate 13, figs. 3a-c

Test small, trochoid, ventral side strongly convex, dorsal side
flattened, ventral umbilicus small, covered by the extension of
the last chamber ; edge rounded with a dorsal shoulder, periphery
slightly lobulate or smooth and entire; chambers about eight
or nine in the last whorl, slightly inflated; sutures distinct, ven-
trally radial and somewhat limbate, dorsally oblique, curved,

oie hs

D3 STAVE CREEK FORAMINIFERA: BANDY 83

and limbate, the limbations becoming raised slightly in the early
part of the spire; wall smooth, tinely perforate, ornamented
only with the sutural limbations; aperture a low opening on the
ventral side extending from near the periphery into the um-
bilicus along the liplike extension of the last chamber. Diameter,
e@.29 mm.; thickness of the last chamber, 0.17 mm. Common.

This variety differs from lV’. danvillensis (Howe and Wallace)
(7922, Louisiana Dept. Cons., Bull. 2,:p. 69, pl. 13, fig. 3); m
the limbate sutures and the greater number of chambers per
whorl.

Holotype.—No. 5063, locality 7, Tallahatta fm., Claiborne, Eo-
cene.

Valvulineria jacksonensis persimilis, new variety Plate 13, figs. 4a-c

Test biconvex, somewhat compressed, dorsal side with a low
spire, ventrally convex toward the periphery, but depressed in
the umbilical region, which is tinely papillate; edge rounded;
periphery smooth in the early part, lobulate in the last portion ;
chambers distinct, eight or nine in the final whorl, of uniform
shape, gradually increasing in size as added, the later ones be-
coming somewhat inflated, with flaplike extensions toward the
umbilicus ventrally; sutures distinct, dorsally slightly curved,
limbate, and raised somewhat in the early part, depressed in the
later part of the last whorl; ventral sutures slightly curved, nearly
radial, somewhat raised and limbate in the early part, becoming
depressed in the later portion; wall smooth excepting for the
papillaté umbilicus and the raised limbate sutures, rather finely
but conspicuously perforate ; aperture, a low arch extending from
the periphery into the umbilicus under the valvular flap of the
last chamber, with a lip. Diameter of holotype, 0.45 mm. ; thick-
ness, 0.17 mm. Common.

This variety is distinguished from Il’. jacksonensis Cushman
(1933, Contr. Cushman Lab, Foram. Res., vol. 9) in being com-
paratively thicker, with more inflated chambers toward the later
part of the final whorl; the sutures tend to be more thick-
ened and raised in the early part of the last coil, and the ven-
tral sutures are curved, not nearly straight as in the species.

Holotype.—No. 5064, locality 33, Lisbon fm., Claiborne, Eo-
cene.

84 BULLETIN 131 114

Valvulineria octocamerata (Cushman and Hanna) Plate 13, figs. la-e

Gyroidina soldanii octocamerata Cushman and Hanna, 1927, Calif. Acad.
Sci., Proc., ser, 4, vol. 16, p. 223, pl. 14,. figs. 16-18 Eocene, Calif.;
Cushman, 1935, U. S. Geol. Sur., Prof. Paper 181, p. 45, pl]. 18, fig.
18 upper and middle Eocene, Ala,, Mex., Calif.; Howe, 1939, Loui-
siana Dept. Cons., Geol. Bull. 14, p. 75, pl. 9, figs. 34-36 Cook Mt.
fm., Claiborne, Kocene, La.; Cushman, 1946, Cusnman Lab. Foram.
Res., Special Publ. 16, p. 31, pl. 6, fig. 15 upper Hocene, Ala,

Test small, dorsal side flattened, central side very convex,
composed of about three coils, the last one consisting of about
eight chambers; edge broadly rounded with a dorsal shoulder ;
periphery smooth becoming somewhat lobulate in the later part ;
ventral side strongly umbilicate; chambers distinct, increasing
gradually in size as added; sutures distinct, slightly depressed,
ventrally nearly radial and slightly curved, dorsally somewhat
oblique; wall finely perforate, smooth; aperture elongate, a very
low arch extending from near the periphery along the base of
the last septal face into the umbilicus under a thin, valvular flap,
which is frequently somewhat broken. Diameter, 0.51 mm. ; thick-
ress of last chamber, 0.28 mm. Abundant,

The valvular flap, though partially broken in most specimens,
with the aperture extending into the umbilicus beneath it are
diagnostic of Valvulineria. Hi this well-known Gulf Coast form
actually differs from the California type in these characteristics,
tien this form should be renamed.

Plesiotype—No. 5065, locality 61, Red Bluff, lower Oligo-
cene:

Valvulineria texana Cushman and Ellisor Plate 13, figs. 5a-e

Valvulineria terana Cushman and Ellisor, 1931, Contr. Cushman Lab,
Foram. Res., vol. 7, p. 56, pl. 7, fig. 9 upper Kocene, Tex.; Cushman,
1946, Cushman Lab. Foram. Res., Special Publ. 16, p. 31, pl. 6, fig.
13 upper Kocene, Ala.

Test small, slightly longer than broad; edge broadly rounded;
periphery smooth, only very slightly: lobulate if at all; chambers
about five in the final whorl, inflated ventrally with a distinct
valvular lip extending out over the umbilicus; ventral sutures
depressed, distinct, slightly curved, radial; dorsal sutures nearly
flush with the surface, curved; wall smooth, finely but conspicu-
ously perforate; aperture. an elongate slit below the valvular lip.
Diameter, 0.27 mm.; thickness, 0.12 mm. Rare.

—

.

115 STAVE CREEK FORAMINIFERA: BANDY 85

Plesiotvpe.—No. 5066, locality 61, Red Bluff, lower Oligo-

CEne:
Genus CERATOBULIMINA Toula, 1915

Subgenus CERATOCANECRIS Finlay, 1939
Ceratobulimina (Ceratocancris) stellata, new species Plate 13, figs. 6a-c

Test oval in side view, longer than broad, biconvex, both sides
mzrkedly convex, with central, deep umbilicus ventrally ; periph-
ery very slightly lobulate in the later portion, smooth in the early
portion of the last whorl; edge broadly rounded; chambers about
eight in the final whorl increasing gradually in size as added,
with pronounced stellate, calloused areas on the inner portions
ventrally ; dorsal sutures oblique, limbate and raised, the later
enes with a conspicuous angle near the inner end, becoming
flush and not limbate as they cross the periphery; ventral su-
tures radial and becoming much depressed between the thick-
ened inner ends of the chambers; spiral suture bordered on out-
side edge by raised limbation; wall smooth, polished and very
finely perforate; aperture a high arch extending upward into the
last septal face, and covered by a subtriangular plate in most
specimens. Length, 0.64 mm.; breadth, 0.51 mm.; thickness, 0.36
mm. Common.

Forms similar to this species have long been referred to C.
cximia (Rzehak) (1888, Ann. K. K, Nat. Hofmuseums, vol. 3
p. 263, pl. 11, figs. 7a-c) ; however, C. eximia is relatively un-
ornamented. The stellate thickening so prominently displayed on
the ventral surface and the raised, limbate dorsal sutures make
this form distinctive The apertural character places it in the sub-
genus Ceratocancris Finlay (1939, New Zealand Foraminifera:
Key Species in Stratigraphy, No. 2, Roy. Soc. New Zealand,
iecans. Proc. Wellinston, N; Z.;° vol. 60, pt. 1, pp: 115, 117):
C. eximia Howe (1939, Louisiana Dept. Cons., Bull. No. 14,
p. 80, pl. 11, figs. 12, 13) may belong to this species.

Holotype-—No. 4832, locality 32, Lisbon fm., Claiborne, Eo-
cene.

Genus PSEUDOBULIMINA Earland, 1934
Pseudobulimina glaessneri Howe and Roberts Plate 13, figs. 2a-c
Pseudobulimina glaessneri Howe and Roberts, 1939, in Howe, Louisiana
Dept. Cons., Geol. Bull. 14, p. 81, pl. 11, figs. 9-11 Cook Mt., Claiborne,
Eocene, La.; Cushman and Todd, 1945, Contr, Cushman Lab. Foram.

Res., vol. 21, p. 20, pl. 4, figs. 19, 20 Lisbon fm., Claiborne, Hocene,
Ala.

86 BULLETIN 131 116

Test coiled in a low, helicoid spire of about one whorl in the
early part, the later part evolute and arcuate with a small set
af chambers on the inner or concave side which are variable
in size and do not alternate with the larger outer chambers; 10

or It outer chambers in the last coil, increasing gradually in size

as added, about eight smaller chambers; wall very finely perfor-
ate; surface polished; early sutures flush, bordered by low bands
of thickening which are usually of lighter color, the later su-
tures slightly depressed; aperture of the larger chambers a nar-
row virguline slit oblique to the plane of coiling, extending from
basal suture up into the septal face; aperture of the small cham-
bers a narrow slit at the base of the main aperture and trans-
verse to, it. Length, 0.49 mm.; breadth of last chamber, 0.23
mm.; thickness of last chamber, 0.18 mm. Common.

Plesiotype.-—No. 4086, locality 33, Lisbon fm., Claiborne, ‘Eo-
cene.

Genus EPONIDES Montfort, 1808

Eponides ellisore Garrett Plate 13, figs. Ta-b
Eponides ellisore Garrett, 1939, Jour. Paleont., vol. 13, p. 579, pl. 66,
figs. 6-8 Oligocene, ‘vex.; Galloway and Heminway, 1941, New York

Acad. Sei., Sci. Survey Porto Rico and Virgin Islands, vol. 3, pt. 4, p.
372, pl. 17, fig. 4 Oligocene, Porto Rico; Cushman and Ellisor, 1945,
Jour. Paleont., vol. 19, p. 569 Anahuace fm., Oligocene, Tex.

Test nearly equally biconvex, varying in relative convexity of
the dorsal and ventral sides, dorsal side with obscured spire due
to thickening; edge acute; periphery somewhat lobulate; cham-
bers about six in the final whorl; sutures narrow, dorsal sutures
nearly tangential to the previous whorl, flush; ventral sutures
nearly radial, little depressed ; wall smooth, finely perforate ; aper-
ture an elongate low arch extending from near the periphery
almost to the umbilicus, Diameter, 0.50 mm. ; thickness, 0.30 mm,
Common,

E. ouachitensis as figured by Cushman and Todd (1948,
Contr. Cushman Lab. Foram. Res., val. 24, pl. I, fig..12) is very
similar to this form, E. owachitensis Howe and Wallace (1932,
Louisiana Dept. Cons., Geol. Bull. 2) exhibits an elongate aper-
ture extending completely into the umbilicus. The less tangen-
tial dorsal sutures of this species distinguish it from EF. jackson-
ensis (Cushman and Applin).

ob uate

Set

DL STAVE CREEK FORAMINIFERA: BANDY 87

Plesiotype-—No. 4883, locality 66, Marianna ls., Vicksburg,
Oligocene.
Eponides jacksonensis (Cushman and Applin) Plate 14, figs. la-c
Pulvinulina jacksonensis Cusiman and Applin, 1926, Bull. Amer, Assoc.
Petr. Geol., vol. 1U; p. 181, pl. 9, figs. 24, 25 upper Hocene, Tex.
Hponides jacksonensis Cushman, 1935, U. 8. Geol. Sur., Prof. Paper
181, p. 46, pi. 19, figs. 4-8; Cushman, 1946, Cushman Lab. Foram.
hves., Special Publ. lo, p. 34, pl. 7, figs. 1, 2 upper HKocene, Ga., S. C.,
Fla., Ala., Miss., Tex. and Panama.

Test biconvex, spire high, somewhat obscured by thickening,
much more convex than the ventral side; edge acute, not keeled;
periphery smooth, very little lobulate; chambers six to eight in
the last whorl; dorsal sutures straight and completely tangen-
tial to the earlier whorl, ventral sutures radial, slightly curved
and somewhat depressed; wall smooth, conspicuously but finely
perforate ; aperture forming a distinct angle in the border of the
test and extending to near the umbilicus with a ventral lip.
Diameter, 0.75 mm.; thickness, 0.41 mm, Common.

Plesiotype-—No. 4884, locality 58, Jackson, Eocene.
Eponides lisbonensis, new speceis Plate 14, figs. 2a-c

Test subcircular, unequally biconvex, dorsal side moderately
convex, ventral side strongly convex with a small, rather deep
umbilicus; edge abruptly rounded to subacute, periphery very
shghtly lobulate; whorls 2%4 to 3 with about six chambers in
the last coil; chambers enlarging very gradually in size as added;
ventral sutures nearly radial and very slightly curved, limbate
and flush with the surface; dorsal sutures flush with the sur-
face, limbate, and very slightly curved, making an angle of
Go°-70° with the radius, or 20°-30° with the earlier whorl; sur-
face smooth, rather finely but conspicuously perforate; aper-
ture a low elongate arch extending from near the umbilicus
tc near the periphery, at the base of the last septal face, with
sight ventral lip. Diameter, 0.45 mm.; thickness, 0.25 mm. Com-
mon.

E. lisbonensis differs from E. mexicanus (Cushman) in the
fewer chambers, lack of umbonal thickening on the ventral side,
and in the much deeper ventral side. The sutures are thickened
but flush with the surface in this rather common form which is
apparently ancestral to E. mexicanus. It occurs only in the lower

85 BULLETIN I31 118

part of the Lisbon fm. in the Little Stave Creek section.
Holotype.—No. 4885, locality 15, Lisbon fm., Claiborne, Eo-

cene.

Eponides lotus (Schwager) Plate 14, figs. 3a-¢

Pulvinulina lotus Schwager, 1883, Paleontographica, vol. 30, Pal. Theil,
p. 152, pl. 28 (5), figs. 9a-c middle Kocene, northern Africa.

ys”)

Lponides lotus Cashman and Ponton, 1952, Contr. Cushman Lab, Foram.
Res., vol. 8, p. 71, pl. 9, figs. 8a-c lower Eocene, Wilcox, Ala,; Cush-
man and ‘bodd, 1942, Con.r. Cushman Lab. Foram, Kes., vol. 18, p.
40, pl. 7, figs. 13-14 lower Eocene, Naheola fm,, Ala.

Test subcircular to oval, dorsal side strongly convex, ventral
side moderately convex, umbilicate; edge sharply rounded; pe-
riphery slightly lobulate; whorls about three; chambers six in
the last whorl, increasing gradually in size; ventral sutures
slightly curved, moderately depressed; dorsal sutures flush,
slightly curved, almost tangential to the previous whorl; sur-
face smooth, spire of dorsal side somewhat obscure because of
slight thickening; pores fine but conspicuous; aperture a low
arch without upper lip, at the base of the last septal face, ex-
tending from near the periphery to near the umbilicus, there
becoming much narrower and entering the umbilicus. Diameter,
0.77 mm.; thickness, 0.45 mm. Common.

In a previous paper (1944, Jour. Paleont., vol. 18, p. 370)
this species was placed under Globorotalia because its aperture
extends into the umbilicus, a diagnostic feature of the above
venus. The aperture proper is actually wider at the base of the
epertural face and becomes very narrow as it enters the umbili-
cus, hence the determination of the species is returned to / pom-
des.

Plesiotype.—No. 4886, locality 58, Jackson, Eocene,

Eponides mexicanus (Cushman) Plate 14, figs. 5a-c¢

Pulvinulina mexicana Cushman, 1925, Bull. Amer. Assoc, Petr. Geol.,
vol. 9, No. 2, p. 300, pl. 7, figs. 7, 8 Eocene, Mex.

Eponides meaicana Cushman, 1927, Jour, Paleont., vol. 1, No, 2, p. 165,
pl. 26, figs. 6, 7 Eocene, Mex.; Howe, 1939, Louisiana Dept, Cons.,
Geol. Bull 14, p. 75, pl. 9, figs. 31-33, (?) pl. 10, figs. 1-3 Cook Mt.,
middle Hocene, La.

Eponides mezxicanus Cushman, 1943, Contr. Cushman Lab. Foram. Res.,
vol. 19, p. 41, pl. 8, fig. 2 Yegua fm., middle Hocene, Tex.

Test biconvex, dorsal side forming a low cone, ventral side
less convex, with a moderate-sized umbilicus, surrounded by a
raised rim of secondary shell material or callous; edge subacute;

119 STAVE CREEK FORAMINIFERA: BANDY 89

periphery mostly smooth, very slightly lobulate, with a slight
tendency toward a keel in some specimens; chambers closely
«ppressed, 8 to 10 or perhaps more in the last whorl; sutures
distinet, slightly limbate dorsally, ventrally slightly depressed
toward the periphery, becoming lmbate toward the umbilicus,
and fusing with the calloused ring; wall smooth, finely but con-
spicuously perforate; aperture an elongate arch at the base
of the last septal face, extending from near the periphery to near
the umbilicus, with ventral lip. Diameter, 0.78 mm.; thickness,
0.43 mm. Abundant.

As first indicated by Dr. Howe (above reference), an inter-
vradation of forms was noted between FE. mexicanus (Cushman)
and E. guayabalensis Cole (1927, Bull. Amer. Paleont., vol. 14,
No. 51). One of the intermediate forms is figured here.

Plesiotype-—No. 4887, locality 21, Lisbon fm., Claiborne, Eo-
cene.

Genus ALABAMINA Toulmin, 1941
Alabamina scitula, nev species Plate 14, figs. 6a-ce

Test subcircular in side view, biconvex, the ventral side much
ceeper; edge subacute; periphery smooth, very little lobulate ;
chambers five to six in the last whorl, increasing gradually in
size as added; whorls few, about three, the last one not involute
beyond the periphery dorsally, completely involute ventrally ;
spiral suture flush; dorsal sutures narrowly limbate, moderately
oblique, slightly curved; ventral sutures radial, narrowly limbate
and slightly curved; wall smooth, finely perforate; aperture a
low arch at the base of the last septal face, extending from near
the umbilical region outward toward the periphery and termin-
ating at the base of the supplementary indentation which is
characteristic of this genus. Diameter, 0.41 mm.; thickness, 0.20
mm. Common.

This species has a higher arched aperture than <1. wilcoxensis
Toulmin (1941, Jour. Paleont., 15), the spiral suture is smoothly
spiral, and the dorsal sutures do not display the irregular thick-
ening present in Toulmin’s figures. Pulvinulinella exigua obtusa
(Burrows and Holland) (1897, Proc. Geol. Assoc., vol. 14) is
velatively thicker, has a more obtuse periphery, and differs in
the apertural character.

go BULLETIN 131 120

Holotype-—No. 4779, locality 62, Red Bluff, lower Oligo-

cene.
; Genus GYROIDINA d’Orbigny, 1826
Gyroidina ebesa, new species Plate 14, figs. 4a-c

Test rotaliform, somewhat globose, composed of about three
whorls, nearly circular in outline, nearly planoconvex, ventral
side very strongly convex, dorsal side slightly convex; periphery
smooth, very little lobulate if at all; edge broadly rounded; cham-
bers five or six in the last whorl; sutures only slightly if at all
cepressed, only those of the last-formed coil distinct, narrowly
limbate; wall smooth, finely perforate; aperture a low arched
opening in the middle of the last septal face with a shght ven-
tral lip. Diameter, 0.60 mm.; thickness, 0.49 mm. Rare at type
locality, common at Red Bluff,

Holotype-—No. 4924, locality 60, Jackson, [ocene.

Genus ROTALIA Lamarck, 1804
Rotalia similis, new species Plate 15, figs. 2a-e

Test biconvex, dorsal side raised in a high conical spire, ven-
tral side moderately convex; edge angled, bluntly keeled; cham-
bers few, about five in the last whorl, increasing very slowly in
size as added; early dorsal spire obscured by thickening, dorsal
sutures moderately curved, somewhat limbate and very slightly
reised in the last whorl; ventral sutures radial, slightly curved
ard incised; wall finely perforate ; umbilicus with low boss; aper-
ture a very low arch extending from near the periphery nearly
t~ the umbilicus along the base of the last septal face. Diameter,
0.40 mm.; thickness, 0.19 mm. Not common.

This species somewhat resembles R. cushmani Applin and
Jordan (1945, Jour. Paleont., vol. 19) but differs in the greater
convexity of the ventral side, fewer chambers, and smaller size.

Holotype—No., 5018, locality 61, Red Bluff, lower Oligocene.

Genus ROTORBINELLA Bandy, 1944
Rotorbinella packardi, new species Plate 15, figs. la-c

Test rather large, oval in side view, biconvex in edge view,
strongly convex dorsally, moderately convex ventrally; edge
angled, bluntly keeled; periphery slightly lobulate; chambers 8
to 10 in the last whorl increasing gradually in size, not inflated ;
whorls not involute on the dorsal side, the earlier ones some-

I2I STAVE CREEK FORAMINIFERA: BANDY gI

what obscured by the coalescing of strong heavy thickening along
both the spiral and radial sutures; ventral side with a large um-
bilical plug projecting slightly above the surface; sutures on the
dorsal side slightly curved, oblique, with heavily raised and ir-
regular thickening which obscures much of the spire ordinarily ;
sutures on the ventral side flush or slightly thickened and raised,
slightly oblique, gently curved; wall coarsely perforate; aperture
« low, broad arch at the base of the septal face, about midway
between periphery and boss. Diameter, 1.07 mm.; thickness, 0.57
rim. Common,

This species is named in honor of Dean E. L. Packard, Pro-
fessor of Geology, Oregon State College, under whom I began
‘the study of paleontology.

Holotype.—No. 5017, locality 63, Red Bluff member, lower
Oligocene. :

Genus CIBICIDINA, new genus
Cibicidina walli, new species

Genotype.

Test free, rotaloid, dorsal spire nearly or quite concealed by
the involute last whorl, only the last whorl visible on the ventral
side; ventral side convex to conical and sometimes umbilicate,
dorsal side flat to concave; chambers numerous, closely appres-
sed; edge sharp or bluntly angled; wall hyaline, medium to finely
perforate, smooth or with limbate sutures or secondary thicken-
ing and papillz, sometimes with central bosses; aperture a small
arched opening at the base of the last septal face in the plane of
coiling, extending under the involute dorsal flap of the last cham-
ber. Diameter up to about 1.00 mm. Common.

This planoconvex genus differs from Cibicides in the involute
character of the dorsal side and in the finer perforations. Anoma-
lina differs in lacking the dorsal aperture, having a rounded
back, and being more evolute dorsally. Discorbis lacks the dor-
sal aperture and the involute character of the dorsal side,

Cibicidina blanpiedi (Toulmin) Plate 15, figs. 4da-c

Cibicides Llanpiedi Toulmin, 1941, Jour. Paleont., vol. 15, p. 609, pl. 82,
fies. 11-13 Wilcox, Eocene, Ala,

Test subcircular, planoconvex, dorsal side flat, with flaps ex-
tending inward concealing much of the spire, ventral side very

g2 BULLETIN 131 122

convex, subconical, involute to umbilicus; edge acute; periphery
smooth, not lobate; chambers distinct, closely appressed, eight
or nine in the final whorl; dorsal sutures flush, distinct, limbate,
curved, some with curved re-entrants; ventral sutures distinct,
flush, curved and somewhat sigmoid in later portion of test; wall
smooth, finely perforate; aperture a low arch at the base of the
last septal face on the periphery extending onto the dorsal side
under the flaplike dorsal projection of the last chamber. Di-
ameter, 0.25 mm.; thickness, 0.15 mm. Common.
Plesiotype.—No. 4851, locality 7, Tallahatta fm., Claiborne,
Eocene.
Cibicidina danvillensis (Howe and Wallace) Plate 14, figs. Ta-e
Cibicides danvillensis Howe and Wallace, 1932, Louisiana Dept. Cons.,
Geol. Bull. No. 2, p. 77, pl. 14, fig. 5 upper Eocene, La.; Cushman
and Herrick, 1945, Contr. Cushman Lab. Foram. Res., vol. 21, p. 72,
pl. 11, fig. 14 MeBean fm., Claiborne, Eocene, Ga,; Cushman, 1946,

Cushman Lab. Foram. Res., Special Publ. 16, p. 39, pl. 8, figs. 7, 8
upper Eocene, Ala.

Test planoconvex, trochoid, subcircular in outline, ventral side
convex with central clear boss of calcareous material, dorsal
side flat to slightly concave; edge acute or subacute; periphery
smooth, not lobulate; chambers seven to eight in the last whorl
with extensions of the inner ends nearly to the center in young
specimens, only becoming slightly evolute in adult and gerontic
specimens; sutures Itmbate, nearly flush, curved on both dorsal
and ventral sides; wall smooth, finely perforate; aperture a low
arch at the base of the last septal face extending across the pe-
riphery and continuing along the Vase of the last chamber dor-
sally for a distance of one or two chambers. Diameter, 0.41 mm. ;
thickness, 0.15 mm. Common.

The figured specimen exhibits a broken edge along the inner
ends of the later two chambers on the dorsal side thereby causing
it to appear more evolute than it is. Other specimens, particularly
slightly smaller ones) are more nearly like the original figure

ot this species, being involute to the umbilicus dorsally.

Plesiotype.—No. 4852, locality 58, Jackson, Eocene.

(

123 STAVE CREEK FORAMINIFERA: BANDY 93

Cibicidina mauricensis (Howe and Roberts) Plate 15, figs. S3a-e
Cibicides mauricensis Howe and Roberts, 1939, Louisiana Dept. Cons.,
Geol. Bull. 14, p. 87, pl. 13, figs. 4, 5 Cook Mt., Claiborne, Eocene,
La.; Cushman and Todd, 1945. Cushman Lab. Foram. Res.. vol. 21,

p. 20 Lisbon fin., Claiborne, Hocene. Ala.

Test small, subcircular, planoconvex, ventral side moderately
convex with a small central boss, dorsal side flat or slightly con-
cave with small central boss (proloculus 7); edge acute; pe-
tiphery smooth, with a slight rim of clear shell material on the
dorsal side; chambers about 8 to 10, regularly increasing in size;
sutures curved on both sides, dorsally broadly limbate and flush
with the surface, ventrally very narrow, flush; wall smooth, finely
perforate, with minor granulations or papillee around the cen-
tral boss; aperture peripheral and extending onto the dorsal side
along the base of the last three or four chambers. Diameter,
0.27 mm.; thickness, 0.09 mm, Rare.

The figured specimen has a more flattened central area than
is usual.

Plesiotype No. 4853, locality 30, Lisbon fm., Claiborne, Eo-
cene.

Cibicidina mauricensis subinvoluta, new variety Plate 16, figs. 5a-c

Test subcircular, planoconvex, dorsal side flat to slightly con-
cave, ventral side evenly convex, with small dorsal and ventral
umbos, nearly involute to umbos on both sides; edge subacute ;
periphery smooth; chambers closely appressed, eight or nine,
increasing evenly and rapidly in size; sutures distinct, slightly
limbate and somewhat curved on both sides; wall smooth, rather
finely perforate; aperture a low slit extending from the pert-
phery below the inner edges of the last four or five chambers on
the dorsal side, with a slight upper lip near the periphery. D1-
ameter, 0.22 mm.; thickness, 0.06 mm, Common.

This variety differs from the species in lacking the papiliz
around the dorsal umbo, in being nearly completely involute on
this side, and the dorsal sutures are narrower.

Holotype-—No. 4874, locality 7, Tallahatta fm., Claiborne, Eo-
cene.

Cibicidina mississippiensis (Cushman) Plate 15, figs. Ta-c
Anomalina mississippiensis Cushman, 1922, U. 8S. Geol. Sur., Prof. Paper

94 BULLETIN 131 124

129-F, p. 98, pl. 21, figs. 6-8 Byram marl, middle Oligocene, Miss.;
Cole and Pouton, 1930, Florida State Geol. Sur., Bull. 5, p. 46, pl. 9,
figs. 2, 5 lower Oligocene, Fla.

Cibicides *ississippiensis Ellisor, 1933, Bull. Amer. Assoc. Petr, Geol.,
vol. 17, No. 11, pl. 5, fig. 6 (not fig. 7) Jackson, Hocene, Tex.; Cush-

Ook

mon, 1935; Us S. Geol. sur. Prot, Paper 218i, p. 545) plo 22,5 owes
(?); Cushman, 1946, Cushman Lab. Foram, Res., Special Publ. 16, p.
39, pl. 8, figs. 5, 6 Jackson, Eocene, Ga., N. and 8. C., Fla., Ala., and
Miss. and lower Oligocene of Fla., Ala., and Tex.

Test oval in side view, planoconvex, dorsal side flattened to
slightly concave, involute to proloculus, ventral side very con-
vex, involute to umbilicus with large umbilical depression; pe-
tiphery smooth, very slightly lobulate; edge broadly rounded
with sharply rounded shoulder; chambers six to eight in the last
whorl, much inflated in the later part, increasing rapidly in size,
especially the last few; sutures curved on the dorsal side, broad,
limbate and flush with the surface, on the ventral side much
narrower, slightly limbate in the early portion of the last whorl,
depressed in the remainder; wall thin and translucent, with
medium, conspicuous perforations, fewer on the dorsal side;
aperture a narrow slit extending dorsally from the periphery
along the base of the last chamber to the base of the last septal
tace. Diameter, 0.50 mm.; maximum thickness, 0 28 mm. Com-
mon.

Plesiotype.—-No. 4854, locality 58, Jackson, [ocene.

Cibicidina subminuens. new species Plate 16, figs. 6a-ce

Test small, biconvex, dorsal side more flattened than the ven-
tral; edge subangtlar, with a blunt keel; periphery mostly
smooth; dorsal sutures curved, limbate, stronely raised; ventral
sutures strongly limbate, curved, also raised; chambers about
eight or nine, gradually increasing in size; wall conspicuously
but not coarsely perforate; aperture a low slit extending from
near the periphery under the inner edge of the last five or six
chambers on the dorsal side, with a slight lip or flap, Diameter,
0.33 mm.; thickness, 0.15 mm. Common.

This species differs from C. muirandensis (Nuttall) (1935,
Jour. Paleont., vol. 9) in its smaller size, more strongly limbate
and raised sutures, and fewer chambers. C. washburni (Garrett )
(1941, Jour. Paleort., vol. 15) has radial sutures, a less pro-
nounced keel, and a lobulate periphery.

125 STAVE CREEK FORAMINIFERA: BANDY 95

Holotype.—No. 4875, locality 37, Gosport fm., Claiborne, Eo-
cene.

Cibicidina walli, new species Plate 15, figs. 5a-e

Test coneavoconvex, dorsal side concave with small central
depression, ventral side convex with slight umbilicus, subeircu-
lar in side view; elge acute; periphery smooth or very slightly
lobate in the last portion of the final whorl, with narrow keel ;
chambers about seven or eight, rapidly increasing in size as
added, closely appressed; dorsal sutures curved, only very nar-
rowly limbate if at all, ventral sutures rather strongly curved
back toward the periphery; wall smooth, perforations fine to
medium; aperture a very small low arch at the base of the last
septal face on the periphery and extending onto the dorsal side
along the base of the last whorl nearly to the center of the
spire. Diameter, 0.58 mm.; thickness, 0.25 mm. Common.

This species is named for John H. Wall, Micropaleontologist
of Imperial Oil Limited.

Holotype-—No. 4855, locality 58, Jackson, Eocene.

Cibicidina yazooensis (Cushman) Plate 15, figs. 6a-ce

Cibicides yazooensis Cushman, 1931, Contr. Cushman Lab. Foram. Res.,

vol. 7, p. 59, pl. 7, figs. 12 a-e Yazoo fm., Jackson, Hocene. Miss, ;
Cushman, 1935, U. 8. Geol. Sur., Prof. Paper 181, p. 53, figs. 2 a-e up-
per Eocene, Miss., Ala.; Cushman and Todd. 1945, Contr. Cushman
Lab. Foram. Res., vol. 21, p. 104, pl. 16, figs. 16, 17 Moodys marl
member, Jackson, Eocene, Miss.

Test oval in outline, compressed, periphery very slightly lobu-
late; edge angled, tending to be keeled; ventral side convex, dor-
sal side slightly convex, nearly involute on both sides ; chambers
distinct, about eight in the last whorl; sutures distinct, strongly
limbate on the dorsal side, somewhat raised in the early part on
the ventral side; wall with medium perforations; aperture a
narrow slit under the inner edge of the last three chambers, ex-
tending inward from the periphery on the dorsal side. Diameter,
0.55 mm.; thickness, 0.20 mm. Common.

Plesiotype-—No. 4856, locality 43, Moodys marl, Jackson,
Eocene.

Genus DISCORBIS Lamarck, 1804
Discorbis alveatus stavensis, new variety Plate 16, figs. la-c

Test small, planoconvex, dorsal side conical, ventral side
nearly flat, umbilical area filled with an uneven secondary de-

ola BULLETIN 131 126

posit; edge acute, slightly keeled; periphery smooth becoming
slightly lobulate in the adult portion; chambers distinct, about
tour in the final whorl, the last chamber much larger than the
cthers; dorsal sutures distinct, flush with the surface, slightly
limbate, curved and oblique; ventral sutures nearly radial, slight-
ly curved and somewhat depressed; wall smooth, except for the
rough umbilical area; perforations small, conspicuous on the
dorsal side; aperture a large arch near the inner end of the base
of the septal face, on the ventral side of the test, with a slight
lip which may be obscured by the secondary deposit. Diameter,
0.26 mm.; thickness, 0.12 mm. Rare.

This variety is more conical than D. alveatus Cushman (1933,
Contr. Cushman Lab. Foram. Res., vol. 9, p. 16) and has only
jour chambers typically.

Holotype.—No. 4870, locality 39, Gosport fm., Claiborne, Eo-
cene.

Discorbis cocoaensis Cushman and Garrett Plate 16, figs. 3a-e

Discorbis subaraucaia ‘Cushman, 1935 (not 1922), U. S. Geol. Sur.,
Prof. Paper 181, p. 43, pl. 18, figs. 1 a-¢ upper Eocene, Ala.

DiscorGis cocodensis Cushman and Garrett, 1938, Contr. Cushman Lab.
Foram. Res., vol. 14, p. 63, pl. 11, fig. 1 upper Eocene, Ala.

Test unequally biconvex, dorsal side usually more convex,
ventral side convex toward the periphery but flattened to con-
cave centrally with large shallow umbilicus; periphery smooth
1 early portion becoming very slightly lobulate in the later por-
tion; edge rather abruptly rounded; chambers six to eight in
the adult whorl, increasing rather rapidly in size as added, later
ones slightly inflated; sutures much the same on the two sides,
curved, distinct, earlier ones strongly limbate and sometimes
raised, the later sutures depressed slightly; wall conspicuously
perforate, excepting tor the hyaline limbation; aperture low. ex-
tending from the periphery into the umbilicus, with a slicht ven-
iral lip. Diameter, 0.58 mm.; thickness, 0.21 mm. Very abund-
ant.

Plesiotype—No. 4871, locality 58, Jackson, Eocene.
Discorbis hemisphericus Cushman Plate 16, figs. 2a-c

Discorbis hemisphericus Cushman, 1931, Contr. Cushman Lab, Foram.
Res.,; vol. 7, p. 59, pl. 7, fig. 14 upper Eocene, Miss.; Ellisor, 1933,
Bull] Amen. “Assocs Petra Geol: svoleeliieNon I plea mh osemli7pmmelis
Caddell, upper Eocene, Tex.; Howe, 1939, Louisiana Dept. Cons., Geol,

127 STAVE CREEK FORAMINIFERA: BANDY 97

Bull. 14, p. 73, pl. 10, figs. 16-19 Cook Mt., Claiborne, Eocene, La.;
Cushman and Todd, 1945, Contr. Cushman Lab. Foram. Res., vol, 21,
p. 100, pl. 15, figs. 80, 31 Moody marl member, Jackson, Hocene, Miss.

Test small, hemispherical, dorsal side strongly convex, ven-
tral side slightly corivex with three or four large, inflated sup-
plementary chambers in the umbilical area; edge rounded and
with slight carina which is somewhat ragged in some specimens ;
periphery somewhat lobulate; chambers four in the last whorl;
sutures distinct, oblique and slightly depressed dorsally; ven
tral sutures nearly radial, slightly depressed; wall coarsely and
conspicuously perforate on both sides; aperture a large high
opening on the veniral side of the test, extending from near
the periphery to the umbilicus, with a prominent lip. Diameter,
0.30 mm.; thickness, 0.20 mm. Common,

This species greatly resembles 7retomphalus. The supplemen-
tary chambers resemble megaspheric agamonts and the ragged
carina may be the line of attachment of the float.

Plesiotype—No. 4872, locality 46, Yazoo clay, Jackson, Eo-
cene.

Discorbis mauricensis Howe and Roberts Plate 16, figs. 4da-e

Discorbis mauricensis Howe and Roberts, 1939, Louisiana Dept. Cons.,,
Geol. Bull. 14, p. 74, pl. 9, figs. 28-30 Cook Mt., middle Kocene, La,

Test small, gently arched dorsally, slightly concave ventrally
with central umbilicus; periphery faintly lobate with a slight
tendency to a keel; edge abruptly rounded; chambers about six
in the last whorl, lobate near their inner ends ventrally; su-
tures curved dorsally, not limbate; ventral sutures nearly radial,
slightly curved with irregular inner ends; wall smooth, rather
finely perforate; aperture a very low arched slit at the base of
the last septal face on the ventral side, extending from the pe-
riphery into the umbilicus with narrow lip. Diameter, 0.35 mm. ;
thickness, 0.10 mm, Common.

Plesiotype-—No. 4873, locality 10, Tallahatta fm., Claiborne,
l-ocene.

Discorbis tallahattensis, new species Plate 16, figs. Ta-c

Test small, oval in outline, about equally biconvex, the dorsal
side usually slightly more convex, ventral side convex but with
a concave slope from the central raised area to the periphery,
ventral umbilicus rather deep; peripheral margin narrowly car-

98 BULLETIN 131 128

inate, slightly lobulate; edge sharp; chambers about eight in the
final coil, increasing rather rapidly in size, the last chamber
forming a considerable portion of the test ventrally, inner por-
tions of the chambers on the ventral side with flaps projecting
toward or into the umbilicus, a slight tendency for re-entrants
:0 develop; walls moderately perforate, smooth; sutures curved,
somewhat limbate, and flush with the surface excepting for the
last one or two on the ventral surtace which are somewhat
aepressed; dorsal sutures curved, limbate, in the early part
more strongly limbate and raised, slightly depressed in the later
part; aperture at the base of the last septal face on the ventral
side, extending from near the periphery inward to the umbilicus
beneath the valvular flap. Diameter, 0.33 mm.; thickness of last
chamber, 0.10 mm. Common.

This species is much smaller and more compressed than D.
syeguaensis Weinzierl and Applin and has a tendency to develop
sutural re-entrants on the ventral side.

Holotype.-—No. 4876, locality 10, Tallahatta fm., Claiborne,

Eocene.
Discorbis tallahattensis subnitens, new variety Plate 17, figs. la-e

Test small, oval in outline, biconvex, dorsal side slightly more
convex, ventral side umbilicate; peripheral margin smooth, only
slightly lobulate, abruptly rounded and not keeled in the early
portion, slight keel present in the last chamber; chambers about
eight in the final coil increasing rather rapidly in size, the last
chamber forming a prominent part of the test ventrally, inner
portions of the chambers on the ventral side with flaps project-
ing into the umbilicus and with a slight tendency for the develop-
ment of re-entrants; walls rather finely perforate, smooth, ven-
tral sutures curved, somewhat limbate, and flush with the sur-
face, becoming somewhat depressed in the later portion of the
test; dorsal sutures curved, oblique, thickened and raised in
the early portion, becoming depressed slightly in the later part;
aperture at the base of the last septal face on the ventral side
extending from near the periphery into the umbilicus and with
a slight upper lip. Diameter, 0.36 mm.; thickness, 0.13 mm.
Common.

This variety is distinguished by the rounded edge in the early
part, becoming only slightly carinate in the last chamber or

129 STAVE CREEK FORAMINIFERA: BANDY 99

two, and in lacking the concavity of the ventral slope.
Holotype.—No. 4877,’ locality 7, Tallahatta fm., Claiborne,

Eocene.

Discerbis yeguaensis Weinzierl and Applin Plate 17, figs. 2a-c

Discorbis yeguaensis Weinzierl and Applin, 1929, Jour. Paleont., vol,
3, No. 4, p. 405, pl. 44, figs. 5 a-c Yegua fm., Claiborne, Hoeene, Tex.

Test oval in outline, unequally biconvex, dorsal side convex
ventral side somewhat flattened; peripheral margin carinate,
slightly lobulate; chambers seven or eight in the last whorl, in-
creasing rather rapidly in size as added, the last chamber form-
ing about one-third of the ventral surface; ventral side umbili-
cate with the valvular lip of the last chamber usually partially
covering it; walls conspicuously perforate, smooth; sutures
curved, strongly limbate in the early part dorsally, depressed in
the later portion, slightly depressed on both sides; aperture an
irregular, elongate opening at the base of the umbilical margin
of the last chamber, usually modified by the valvular flap. Di-
ameter, 0.50 mm.; thickness, 0.20 mm. Common.

The specimens from Little Stave Creek agree rather closely
with the type. The figured specimen is somewhat gerontic and
is more circular in outline than ephebic individuals.

Plesiotype.—No. 4878, locality 14, Lisbon fm., Claiborne, Eo-
cene.

Genus DISCORBITURA, new genus

Discorbituwra dignata, new species

Genotype.

Test free, rotaloid, only the last whorl visible ventrally; spire
visible dorsally, this side usually more convex than the ven-
tral side; chambers numerous, moderately or closely appressed ;
dorsal sutures flush and somewhat limbate or raised and thick-
ened, ventral sutures may be flush, depressed, or incised, usually
channeled with re-entrants; wall smooth, finely perforate; aper-
ture a circular opening on the periphery with a raised rim en-
circling it. Diameter, 0.25-0.45 mm, Geologic range, Eocene (?).
Oligocene.

Discorbis farishi Cushman and Ellisor (1932, Contr. Cush-
man Lab. Foram. Res., vol. 8, pt. 2, p. 43, pl. 6, figs. 6a-c)
may belong to this genus, The type figure of their species may
have the same kind of aperture characteristic of this genus, and
the type should be re-examined. If D. farishi is found to fall

100 BULLETIN 131 130

within this category, then it probably is the Eocene ancestor
cf the Oligocene genotype D. dignata, n.' sp.
Discorbitura dignata, new species Plate 17, figs. 3a-e

Test concavoconvex, dorsal side moderately convex, ventral
side slightly concave, dorsal side with all the chambers visible,
involute ventrally; edge acute, periphery with distinct keei,
slightly lobulate ; chambers distinct, about seven in the last whorl,
increasing gradually in size as added; sutures on the dorsal side
strongly limbate and raised, curved and oblique; ventral su-
tures somewhat incised with a complex system of re-entrants,
resulting in a stellate pattern; wall on the dorsal side smooth,
finely perforate, ventral surface mostly smooth, excepting for
the stellate re-entrants, slightly umbilicate; aperture a small cir-
cular opening at the base of the last chamber on the periphery
and completely encircled by a raised lip. Diameter, 0.40 mm. ;
thickness, 0.08 mm. Common.

This species differs from D. farishi Cushman and Ellisor
(1932, Contr; Cushman Lab, Foram. Res., voli 3, pth 2p age
pl. 6, figs. 6 a-c) in the strongly raised and thickened sutures
on the dorsal side, the planoconvex shape of the test, and the
lack of the elongate raised areas on the dorsal side, The re-
entrants in this species become very complex in some individuals,
breaking the ventral surface into irregular segments appearing
almost similar to papillae when stained.

Holotype.—No. 4879, locality 62, Red Bluff, lower Oligocene.

Genus ANOMALINA d’Orbigny, 1826

Anomalina bilateralis Cushman Plate 17, figs. Ta=c¢

Anomalina bilateralis Cushman, 1922, U, S. Geol. Sur., Prof. Paper

129-K, p. 97, pl. 21, figs. 1, 2 middle Oligocene, Miss.; Cushman, 1935,

U. S. Geol. Sur., Prof. Paper 181, p. 50, pl. 21, figs. 4, 5 upper Eo-

cene, Ala., Miss., Ga.; Cushman and Todd, 1945, Contr. Cushman Lab.

Foram, Res., yol, 21, p. 103, pl. 16, figs. 14, 15 Moodys marl, Jack
son, Eocene, Miss. ;

Test of about four coils, biconvex, dorsal side only slightly
convex with a rather prominent umbonal boss, ventral side mod-
erately convex with a small inconspicuous umbonal boss; pe-
riphery smooth in the early portion of the test, slightly lobulate
in the later part ; edge abruptly rounded, somewhat angled ; cham-
bers about 10 to 12 in the last whorl; sutures gently curved,

131 StavE CREEK FORAMINIFERA: BANDY 101

limbate and tending to be slightly raised on both sides; wall
coarsely perforate; aperture a narrow arched opening at the base
«i the last septal face on the edge and extending dorsally along
the bases of the last two or three chambers. Diameter, 0.07 mm. ;
thickness, 0.24 mm. Common.

In some of the horizons inspected in this study, this species
becomes considerabiy larger and somewhat gerontic.

Plesiotype.—No. 2788, locality 59, Jackson, Eocene.
Anomalina cocoaensis Cushman Plate 17, figs. 5a-c

Anomalina cocoacnsis Cashman, 1928, Contr. Cushman Lab. Moram. Res.,

vol. 4, p. 75, pl. 16, figs. 4a-e upper Eocene, Ala.; Cushman, 1935,

UW. S: Geol. Sur, Prof) Paper WSi, p. 51, pl: 2il, figs. d3a-e¢ upper
Eocene, Ala., Miss.

Test concavoconvex, ventral side strongly convex, dorsal side
gently concave; ventral side with a cluster of irregular bosses
in the umbilical region; dorsal side with a low, smooth, raised
spire, moderate concavity between spire and periphery; edge
1ounded ; periphery smooth; chambers 10 to 12 in the last whorl,
enlarging very gradually in size; sutures on dorsal side flush,
limbate, slightly cblique and curved; sutures on the ventral side
raised, limbate, terminating toward the umbilical region in
slightly larger knobs; wall conspicuously and coarsely perforate
ventrally, relatively few pores on the dorsal surface; aperture
peripheral, a moderate arch with a distinct lip, Diameter, 0.56
mm.; thickness, 0.23 mm. Abundant.

Plesiotype-—No. 4789, locality 58, Jackson, locene

Anomalina costiana Weinzierl and Applin Plate 17, figs. 6a-c¢

Anomal.na costiana Weinzierl and Applin, 1929, Jour Paleont., vol. 35,
p. 49, pl. 44, fig. 7 Yegua fm., Claiborne, Kocene, Tex.; Howe, 1959,
Louisiana Dept. Cons., Geol. Bull. 14, p. 86, pl. 138, figs. 9-11 Cook
Mt, fm., Claiborne, Hocene, La.; Beek, 1943, Jour. Paleont., vol, 17,
p- 609, pl. 1095 figs. 12, 19, 23: Hocene, Wash.

Test small, subcircular in side view, biconvex, dorsal side
slightly convex with small irregular bosses in the umbonal area,
ventral side moderately convex with a distinct boss over the
umbilical region; chambers 10 to 12 in the last whorl, increasing
gradually in size; edge subangular or abruptly rounded in the
early part of the test; evenly rounded in the later part of the
test; periphery nearly smooth in the early part of the test, be-

102 BULLETIN 131 132

coming slightly lobulate in the later portion; sutures on the dor-
sal side gently curved, strongly limbate and raised; ventral su-
tures also gently curved, strongly limbate but only slightly raised,
merging into the low central umbo of clear shell material; wall
coarsely perforate, some of the pores infringing on the sutural
limbations; aperture a low arch at the base of the last septal
face, extending ont» the dorsal surface along the base of the
last chamber. Diameter, 0.35 mm.; thickness, 0.14 mm. Com-
mon,

This form displavs a certain amount of variation in the an-
gularity of the edge and the amount of limbation, older individ-
uals, being rounder backed and with somewhat stronger limba-
tion.

Plesiotype—No. 4790, locality 7, Tallahatta fm., Claiborne,
Eocene,

Anomalina umbonata Cushman Plate 18, figs. 3a-c¢
Anomaliia umbonata Cushman, 1925, Bull. Amer. Assoc. Petr. Geol.,
vol. 9, p. 300, pl. 7, figs. 5, 6 Hocene, Moctezuma River, Mex.; Cush-
man, 1927, Jour. Paleont., vol. 1, p. 170, pl. 27, figs. 10, 11 Eocene,
Mex.; Howe, 1939, Louisiana Dept. Cons., Geol. Bull., No. 14, p. 86,

pl. 13, figs. 6-8 Cook Mt., Eocene, La.

Test planoconvex, dorsal side nearly flat or slightly concave
with a central spiral umbonate mass, ventral side moderately
convex with a rather large raised umbo of clear shell material ;
periphery smooth becoming slightly lobulate in the last portion
of the final coil; edge rounded; chambers 10 to 12 in the final
whorl, closely appressed; sutures distinct, those of the ventral
side flush or very slightly depressed and gently curved, those
ot the dorsal side raised and limbate in the early portion of the
test becoming flush between the last few chambers, the inner
ends of the dorsal sutures become fused in the early portion giv-
ing rise to the spiral umbonate mass in the umbilical region; wall
medium to coarsely perforate; aperture a narrow arch at the
base of the last chamber on the periphery and extending about
one chamber back between the whorls dorsally. Diameter, 0.47
mm. ; thickness, 0.12 mm. Common.

Plesiotype—No. 4793, locality 14, Lisbon fm., Claiborne, Eo-
cene.

133 STAVE CREEK ForaMiNIFERA: BANDY 103

Genus CIBICIDES Montfort, 1808

Cibicides cocoaensis (Cushman) Plate 18, figs. 4a-ce

Lponides cocoaensis Cushman, 1928, Contr, Cushman Lab, Foram. Res.,
vol. 4, p. 73, pl. 10, fig. 2 upper Eocene, Ala.; Cushman, 1935, U. 8.
Geol. Sur., Prof. Paper 181, p. 47, pl. 19, figs. 1, 2 (?); Cushman, 1946,
Cushman Lab. Foram. Res., Special Publ. 16, p. 34, pl. 6, fig. 16
Jackson, Eocene, Ga., S. C., Ala. Miss., Calif.

Test conical, ventral side only slightly convex, with central,
low, small umbo, dorsal side more strongly so with broadly
rounded spire, circular in side view; periphery smooth, not lob-
ulate and with very narrow keel; edge acute; chambers numer-
ous, not inflated, about 12 in the last whorl, all but the last few
indistinct from the dorsal side; sutures on ventral side nearly
radial, gently curved and very slightly depressed; dorsal side
with the spiral suture distinct and somewhat limbate, sutures be-
tween chambers oblique, not depressed, limbate; wall coarsely
perforate, smooth except for the ventral boss; aperture a very
small, low slit at the base of the last septal face next to the pe-
riphery and extending very slightly over the periphery to the
dorsal side, more so in some individuals than others Diameter,
©.43 mm.; thickness, 0.20 mm. Common.

Plesiotype-—No. 4833, locality 58, Jackson, Eocene.

Cibicides cookei Cushman and Garrett Plate 18, figs. 5a-c

Cibicides cookei Cushman and Garrett, 1938, Contr. Cushman Lab.
Foram. Res., vol. 14, p. 65, pl. 11, fig. 3 Red Bluff, lower Oligocene,
Ala.

Test unequally biconvex, dorsal side less convex, slightly um-
bilicate on the ventral side; edge abruptly rounded; periphery
smooth, very slightly lobate in the last part of the test; cham-
bers distinct, little inflated, seven to nine in number, increasing
slowly and gradually in size; sutures dorsally strongly limbate,
not depressed, strongly curved; ventral sutures somewhat curved,
very narrowly limbete, the later ones slightly depressed; wall
coarsely perforate, otherwise smooth; aperture peripheral ex-
tending a short distance both dorsally and ventrally with distinct
upper lip. Diameter, 0.80 mm.; thickness, 0.40 mm. Common

This is a large distinct form which appears to have a slight
shallow umbilicus not shown in the original figure.

Plesiotype—No. 4834, locality 63, Red Bluff, lower Oligo-
cene,

104 BULLETIN ii) 134

Cibicides crassidiscus, new species Plate 18, figs. Ta-¢

Cibicides cf. pseudowuellerstorfi Howe (not Cole), 1939, Louisiana Dept.
Cons., Geol. Bull. 14, p. 88, pl. 13, figs. 1-3 Cook Mt., middle Eocene,
La.

(7) Anomalina, sp. Cushman and Todd, 1942, Contr. Cusiman Lab.

Horam, Kes., vol, 18, p. 45, pl. 8, fig. 12 (mot 11) Naheola fm., lower
Hocene, Ala.

Test planoconvex, moderately convex ventrally, flat to slightly
convex dorsally, nearly circular in outline; edge abruptly
rounded; periphery smooth, not lobulate, with a blunt, thick
keel; chambers about nine in the final whorl, increasing grad-
ually in size as added; sutures moderately curved, strongly lim-
bate, slightly raised, on the ventral side coalescing in the middle
to form a hollowed out umbonal area, much thickened dorsally,
combining with the limbate spiral suture, covering the center
of the spire; wa very coarsely and sparsely punctate, with con-
siderable thickening over the entire surface; aperture an arch
at the base of the last septal face extending onto the dorsal side
elong the base of the last two chambers, with an upper lip. Di-
ameter, 0.33 mm.; thickness, 0.13 mm. Common.

Holotype-—No. 4835, locality, 7, Tallahatta fm., Claiborne,
Eocene.

Cibicides floridanus diminutivus, new variety Plate 17, figs. 4a-ce

Test subcircular, biconvex, ventral side with prominent cen-
tral boss; periphery smooth, with a thin border of a clear shell
material; edge acute to subacute; chambers 11 to 13 in the last
whorl, increasing gradually in size; ventral sutures gently curved,
limbate, raised and coalescing with the umbo; dorsal sutures
little curved, limbate, raised; spiral sutures limbate, raised, the
earlier chambers reduced at the surface as a spire of round de-
pressions; wall ccarsely perforate; aperture a slit at the base
of the apertural face extending from the edge onto the dorsal
side, continuing between the last two chambers and the pre-
vious whorl. Diameter, 0.32 mm.; thickness, 0.14 mm. Common.

This variety differs from the species in the smaller size and
radial dorsal sutures (see 7. floridana Cushman, 1918, U. S.
Geol. Sur., Bull, 676; p. -62, pl. ‘10, fig. 2).

Holotype.—Nov. 4791, locality 58, Jackson, Eocene.

135 STAVE CREEK FORAMINIFERA: BANDY 105

Cibicides lawi Howe _ Plate 18, figs. 2a-ce

Cibicides lawi Howe, 1959, Louisiana Dept. Cons., Geol. Bull. 14, p.

Wig) jolle Way suMKsee 12-14 Cook Mt., Claiborne, Eocene,

Test small, subcircular, biconvex, ventral side slightly more
convex with central low umbo; periphery smooth, only very
slightly lobulate if at all, with narrow carina; edge acute; eight
or nine chambers in the last whorl increasing gradually in size;
sutures straight dorsally, strongly oblique, flush; ventral sutures
narrow, flush or slightly depressed, little curved, radial; wall
smooth, coarsely perforate; aperture an arched slit at the base
of the last septal face on the inner periphery extending onto the
dorsal side and alone the spiral suture for a distance of about
one-half of the last chamber. Diameter, 0.28 mm.; thickness, 0.12
mm. Common.

Plesiotype—No. 4836, locality 7, Tallahattta fm., Claiborne,
Eocene.

Cibicides lobatus (d’Crbigny) Plate 19, figs. 3a-c

Tiuncatulina tobata d’Orbigny, 1839, in Barker, Webb and Berthelot,
Hist. Nat. Iles Canaries, vol. 2, pt. 2, “‘Foraminiféres,’’ p. 134, pl.

»

2, figs. 22-24 Recent, Canaries.

Truncatulina lobutula d’Orbigny, 1846, Foramiliféres fossiles du bassin
Tertiaire de Vienne, p. 108, pl. 9, figs. 18-23 middle Miocene, Vienna
Basin.

Cibicides lobulaius Cushman, 1935, U. 8S. Geol. Sur., Prof. Paper 181,
p. 92, pl. 22, fig. 4 (not 5 and 6) upper Eocene, southeastern U. S.

Cibicides lobatulus Galloway and Wissler, 1927, Jour, Peleont., vol. 1, pp.
64, 65, pl. 11, fig. 1 Pleistocene, Calif.; Galloway and Heminway, 1941,
New York Acad. Sci., Sci. Survey Porto Rico and the Virgin Islands,
vol. 3, pt. 4, p. 395, pl. =4,*figs. 4a-e middle Oligocene, upper Oligo-
cene, and lower Miocene, Porto Rico.

Test planoconvex, much compressed, dorsal side flat or con-
cave, ventral side moderately convex; edge acute; periphery
moderately lobate; chambers irregularly increasing in size, about
seven in last whorl; sutures curved, flush, limbate dorsally, on
the ventral side Cepressed and somewhat less curved; wall
coarsely perforate; aperture at base of septal face on periphery
with slight lip above, extending on dorsal side along suture line
between last two whorls for a distance of two or three cham-
hers. Diameter. 0.45 mm.; thickness, 0.12 mm. Rare.

Plesiotype.—_-No. 4837, locality 58, Jackson, Eocene.

Cibicides cf. lucidus ( Reuss) Plate 18, figs. 6a-b
Truncatulina lucida Reuss, 1866, K. Akad. Wiss. Wien, Math.-Naturw.
Cl., Denksehr., Wien, Osterreich, Bd. 25,.Abt, 1, p. 160, pl. 4, fig. 15

middle Oligocene, Germany.

106 BULLETIN 131 136

Test planoconvex, dorsal side moderately convex, ventral side
strongly convex, subcircular in side view; periphery slightly lob-
uiate, with narrow keel; edge acute; about three whorls, grad-
ually enlarging, only very slightly overlapping the earlier whorls
in the last part of the final whorl on the dorsal side, involute
ventrally ; chambers seven or eight in the last whorl, gradually
enlarging in size; dorsal sutures and outer edge of chambers
form a smooth, arcuate curve, limbate, flush; ventral sutures
curved; somewhat depressed; wall conspicuously perforate,
pores of medium size; aperture a small arch at the base of the
last septal face near the edge, extending over the edge and along
the spiral suture for a distance of one or two chambers, with
upper lip. Diameter, 0.38 mm.; thickness, 0.19 mm. Common,

Plesiotype-—No. 4838, locality 7, Tallahatta fm., Claiborne,
Eocene.

Cibieides mimulus, new speties Plate 19, figs. la-e

Test planoconvex, dorsal side slightly convex, ventral side
strongly convex, with moderate, ventral umbilicus, subcircular
‘2 side view; periphery slightly lobulate, with narrow keel; edge
acute; about 21% oi 3 whorls, gradually enlarging, slightly over-
tapping earlier whorls on dorsal side, involute ventrally ; chambers
seven to nine in the last whorl; dorsal sutures curved, slightly lim-
hate, flush ; ventral sutures curved, somewhat depressed ; wall con-
spicuously perforate, pores of medium size; aperture a small arch
«t the base of the last septal face near the edge, extending across
the periphery and along the spiral suture for a distance of two or
three chambers. Diameter, 0.37 mm.; thickness, 0.19 mm. Com-
mon,

This species is similar to C. luctdus (Reuss) but is thicker and
with less arcuate chambers.

Holotype-—No. 4839, locality 14, Lisbon fm., Claiborne, Eo-
cene.

Cibicides pippeni Cushman and Garrett Plate 19, figs. 4a-e, 5a-c

Cibicides pippeni Cushman and Garrett, 1938, Contr. Cushman Lab.
Foram. Res., vol. 14, p. 64, pl. 11, fig. 2 Red Bluff, lower Oligocene,
Ala.

Test nearly planoconvex, dorsal side flattened except the

137 STAVE CREEK FORAMINIFERA: BANDY 107

slightly umbonate central portion, ventral side strongly convex,
fiattened centrally; edge subacute; periphery with a distinct
thickened keel; chambers numerous, 10 to 12 in the adult whorl,
increasing gradually in size as added, not inflated; sutures clis-
tinct, strongly limbate throughout, ventrally gently curved
terminating in a thickened area over the umbilical region, on the
dorsal side strongly oblique in the early portion, becoming less
Gblique but somewhat sigmoid later, the spiral suture much
thickened, coalescing in the umbonal area forming a thickened
covering; wall coarsely perforate, fewer perforations in the dor-
sal umbonate covering; aperture a slit with upper lip extending
across the periphery at the base of the last septal face and con-
tinuing on the dorsal side for a short distance. Diameter, 0.66
mm.; thickness, 0.30 mm. Common. |

This form is abundant at locality 62 and displays some varia-
tion in the smoothness of the periphery, some specimens being
slightly lobulate and others being smooth as the one figured.
C. fortunatus Martin (1943, Stanford Univ. Publ., Geol. Sci.,
vol. 3, No. 3) may be conspecific with this species.

Plesiotype.-—No. 4841, locality 62; plesiotype, No. 4840, Jlo-
cality 61, Red Bluff, lower Oligocene.
Cibicides pippeni stavensis, new variety Plate 19, figs. 6a-c

Test biconvex, dorsal side moderately convex, ventral side
rather strongly convex with central umbo; edge rather abruptly
rounded to subacute; periphery with a thickened keel, smooth,
enly very slightly lobate if at all; chambers about 10 in num-
ber in the final whorl increasing gradually in size as added,
not inflated; sutures very distinct, markedly limbate and coales-
cing dorsally with the limbate spiral suture to form a large thick-
ened area obscuring the spire, the ventral sutures coalesce also
in the umbilical area to form an irregular umbonal area; wall
coarsely punctate, sparingly so in the thickened or calloused
region of the dorsal side; aperture a very low narrow arch at
the base of the last septal face on the periphery, and extending
cnto the dorsal side along the base of the last two chambers.
Diameter. 0.41 mm.; thickness, 0.19 mm, Common.

This variety differs from the ordinary form in being coarser in
general, with stronger limbations, slightly rounded edge, more

108 BULLETIN I31 138

hiconvexity, and larger fused umbonal areas, both ventrally and
dorsally.
Holotype.—No. 4842, locality 7, Tallahatta fm., Claiborne, Ko-
cene.
Cibicides pseudoungerianus (Cushman) Plate 19, figs. Ta-c
Truncatulina pseudoungeriana Cushman, 1922, U. 8. Geol. Sur., Prof.
Paper 129-E, p. 97, pl. 20, fig. 9 middle Oligocene, Miss. ;
Cibicides pseudoungeriana Cushman, 1931, U. S. Nat. Mus., Bull. 104,
pt. 8, p. 123, pl. 22) figs. 3-7 Recent, Atlantic:
Cibicides pseudoungeriana Cushman and Herrick, 1945, Contr. Cushman
Lab, Foram. Res., vol. 21, p. 73 McBean fm., Hocene, Ga.

Test nearly equally biconvex, subcircular in side view; dorsal
surface with thickening concealing the early spire, the ventral
side nearly involute with a central umbilical filling of clear shell
material, about flush with the chambers; edge subacute; periph-
ery slightly lobulate in the later half, slightly keeled and mostly
smooth in the early part of the last whorl; chambers 9 to 11 in
the last whorl increasing gradually in size; sutures distinct and
iimbate dorsally, curved and oblique; ventral sutures narrowly
lumbate, gently curved; wall on the dorsal side coarsely perfor-
ate, ventral wall more finely perforate, otherwise smooth; aper-
ture an arch with upper lip at the base of the last septal face
on the periphery and extending along the spiral suture dorsally
for a distance of two chambers. Diameter, 0.50 mm.; thickness,
0.15 mm. Common.

The original description fits these specimens exactly with re-
spect to the height of the umbilical filling, the coarse dorsal
perforations and finer ventral ones, the dorsal thickening, and .
in all other respects. The specimen figured in U. S. National
Museum, Bulletin 104, pt. 8, pl. 22, fig. 3, also appears very
similar to this form in general character. Those forms with a
prominent ventral umbo which have been assigned to this species
by various authors are probably not conspecific.

Plesiotype.—No. 4844, locality 64, Mint Spring marl, Vicks-
burg, Oligocene.

Cibicides pseudoungerianus lisbonensis, new variety Plate 20, figs. la-b

Test biconvex, nearly equally so, with strong umbonate boss
in the ventral umbilical region, subcircular in side view ; periphery
smooth or very slightly lobulate with a narrow border of clear

shell material; edge angled to sharply rounded; whorls about
é

139 STAVE CREEK FORAMINIFERA: BANDY 109

three, the last one slightly overlapping earlier whorls; early
whorls on dorsal side somewhat obscured by shelly thickenin# ;
about 10 chambers in the last whorl, gradually enlarging in size
as added; sutures gently curved on both sides, ventral sutures
narrowly limbate, dorsal sutures with wide limbations; wall
coarsely perforate on the dorsal side, pores few and enlarged in
the dorsal thickenec area, less coarsely perforate ventrally ; aper-
ture a small low arch with upper lip at the base of the septal
face on the inner periphery, continuing a distance of about two
chambers dorsally along the spiral suture. Diameter, 0.34 mm. ;
thickness, 0.18 mm. Abundant.

This variety differs mainly in the possession of a prominent
ventral umbo. In the original description of C? pseudounyerianus
geushiian)) (1922, US. ‘Geoko Sur, Prof, Paper 1290-E) (and
in all of the early figures, there is only a filling which is flush
with the surface in the umbilical region.

Holotype.—No. 4845, locality 28, Lisbon fm., Claiborne, Eo-
cene. ;

Cibicides pseudowuellorstorfi Cole Plate 20, fis. 3a-c

Cibicides pseudowueliorstorfi Cole, 1927, Bull. Amer. Paleont., vol. 14,

No, 51, p. 36, pl. 1, figs. 13, 14 Guayabal fm., middle Eocene, Mex. ;
Cushman and Dusenbury, 1934, Contr. Cushman Lab. Foram. Res.,
vol. 10, p. 64, pl. 9, figs. 4a-e Poway congl,, Calif.; Cushman and
Applin, 1943, Contr. Cushman Lab. Foram. Res., vol. 19, p. 46, pl.
8, fig. 13 Yegua fm., middle Eocene, Tex.

Test planoconvex, flat or slightly concave dorsally, convex
ventrally with central boss of clear shell material; edge angulate ;
periphery slightly lobate, with keel; chambers 9 to 12 in the
final whorl, gradually increasing in size; sutures on dorsal side
limbate and curved, coalescing with the limbate spiral suture to
conceal much of the spire; ventral sutures only narrowly limbate
if at all, curved; wall smooth, perforations of medium size on both
sides ; aperture a small arch on the periphery and extending onto
the dorsal side for a distance of one chamber. Diameter, 0.40
mm.; thickness, 0.18 mm. Common.

The perforations in these specimens appear to be finer than
as indicated by Cole; in addition, there is much thickening on
the dorsal side which is not indicated in the original description.

Plesiotype—No,. 4846, locality 7, Tallahatta fm., Claiborne,
Eocene,

L1G BULLETIN 131 140

Cibicides sassei Cole Plate 20, figs. 4da-ce
ivicides «asset Cole, 1927, Bull. Amer. Paleont., vol. 14, No, 51, p. 38,
pl. 4, figs. 10, 11 micidle Eocene, Mex.; Cus.sman and ‘Thomas, 1929,
Jom Paleont. voll 3.9m Se. plea tics a-¢ O30. voll a aumaemmele
pl. 4, fig. 4 Claibori:e, Eocene, Tex.; Howe, 1939, Louisiana Dept.
Cons., Gcol. Bull. 14, p. 88, pl. 13, figs. 18, 19 Cook Mt. Claiborne, iHo-
cene, La.; Cushman and Applin, 1943, Con r. Cus.man Lab, Foram.
es., vol. 19" p. 46; pl. 8. fig: da" Yeoua imi, Claiborne, Wocency Mex:
Cushman and Todd, 1945, Contr. Cusaman Lab. Foram, Res., vol. 21, p.

20 Lisbon fm., Claiborne, Eocene, Ala.

Test planoconvex in adults to somewhat biconvex in younger
u:dividuals, dorsal side nearly flat or somewhat concave in ge-
:ontic forms. ventral side moderately convex with central boss
of clear shell material; edge subacute to acute; periphery very
slightly lobulate; chambers distinct, 8 to 10 in the final whorl,
increasing gradually in size as added, slightly if at all inflated;
s.tuies on the corsal side slightly raised near the central por-
tion, fusing into a mass of shell material, curved and oblique;
ventral sutures limbate and raised in the early part, slightly
cepressed in the later part, curved especially toward the pe-
ripheral edge; wall coarsely perforate, especially on the ventral
side; aperture a low arch on the periphery extending slightly
onto the ventral side and along the base of the last chamber on
the dorsal side, with upper lip. Diameter, 0.47 mm.; thickness,
&.12 mm. Common.

This form displays considerable variation in the involuteness
of the ventral side, in younger and ephebic specimens, this side
‘s involute to the boss and the dorsal side is ‘slightly convex.
There 1s a tendency for the last few chambers to become evolute
ventrally in gerontic individuals, and in these older forms the
dorsal side appears flattened or slightly concave. The Little Stave
Creek specimens seem identical with C. se¢ssei as fivured by
Cushman and Themas (loc. cit.), but there is some doubt that
they are the same as Cole’s species.

Plesiotype.—No, 4847, locality 14, Lisbon fm., Claiborne, Eo-
cene.

Cibicides tallahattensis, new species Plate 20, figs. 5a-c

Test subcircular, flat or slightly concave dorsally with the
spire covered with much thickening; ventral side convex with
a prominent smooth translucent boss; edge acute; periphery
smooth, with slight keel; chambers seven to nine, increasing regu-

tht STAVE CREEK FORAMINIFERA: BANDY III

larly in size; sutures gently curved, dorsally limbate, early ones
slightly depressed; surface smooth, medium to coarsely per-
forate; aperture a small arch at the base of the septal face on the
periphery extending dorsally along the base of the last chamber
and one-half, Diameter, 0.27 mm.; thickness, 0.10 mm, Ccmmon.

This form is very near C. howelli Toulmin (1941, Jour.
Paleont., vol. 15) differing mainly in being more evolute dorsally
and with slightly more rapidly enlarging chambers. It differs
from C. mimulus, a. sp. in having an umbo on the ventral side

Holotype—No. 4848, locality 7, Tallahatta im., Claiborne,
LLocene.

Cibicides truncatus, new species Plate’ 19 iiss: 2a=c

Test subcircular, dorsal side flattened or slightly concave, ven-
tral side a truncated cone, with small, shallow umbilicus; edge
acute; periphery keeled, moderately lobate; chambers about
seven in the last whorl, increasing very gradually in size as
added; sutures strongly curved and limbate on the dorsal side,
curved, narrowly limbate and raised on the ventral side; wall
coarsely perforate, more so on the dorsal side; aperture at the
periphery, with distinct upper lip, extending over onto the dorsal
side and continuing along the spiral suture for a distance of two
er three chambers. Diameter, 0.31 mm.; thickness, 0.15 mm.
Common.

The truncate ventral side is distinctive, separating the new
species from C. plano-convexus Cushman and Todd (1945, Contr.
Cushman Lab. Foram. Res., vol. 21, p 104, pl. 16, figs, 18, 19).

Holotype.—No. 4843, locality 21, Lisbon fm., Claiborne, Eo-
cene.

Cibicides cf. vicksburgensis (Cushman) Plate 20, figs. 6a-e
Rotalia vicksburgensis Cushman, 1922, U. 8S. Geol. Sur., Prof. Paper
129-F, p. 139, pl. 35, figs. 3, 4 Mint Spring marl, Oligocene, Miss.;
Nuttall, 1932, vo.r. Paleort:, vol. 6: p. 20, pl. 4, figs. 8, 9 lower
Oligocene, Mex,

Cibicides vicksburgensis Cushman and Todd, 1946, Contr. Cushman Lab.
Foram. Res., vol. 22, p. 102, figs. 30-32 Byram marl, Vicksburg, Oli-
gocene, Miss.

Test oval to subcircular in side view, dorsal side flattened,

ventral side strongly convex, umbilicate; about eight inflated
chambers in the last whorl; sutures distinct, slightly depressed ;

surface smooth; wall coarsely perforate; aperture an arched

|
i
Ny

BULLETIN 131 142

opening at the base of the last septal face near the periphery,
extending across and onto the dorsal side along the spiral sutures
tor a distance of from two to four chambers. Diameter, 0.59
mm.; thickness, 0.21 mm. Common.

This form appears to be conspecific with this species. How-
ever, the type figures, description, and subsequent figures fail to
bring out all of the necessary characters.

Plesiotype-—-No. 4849, locality 67, Marianna lIs., Vicksbur,
Oligocene.

Cibicides westi Howe Plate 29, figs. Ta-c

Cibicides westi Howe, 1939, Louisiana Dept. Cons.. Geol, Bull. 14, p.

88, pl. 13, figs. 20-22 Cook Mt., Claiborne, Hocene, La.; Cusiman anid
Herrick, 1945, Contr. Casiman lab: Neramt hes; vol. 215) pe 72) pl:
11, fig. 15 MeBean im., Mocene, Ga.

Test small, planoconvex, dorsal side flat showing slightly more
than two whorls, ventral side conical, circular in side view; pe-
riphery smooth, very little lobate; edge angular but not carinate ;
chambers about eight in the last whorl, increasing gradually im
size, each chamber deeper ventrally; wall smooth, perforations
medium to coarse; sutures curved and oblique dorsally and
slightly lhmbate, sigmoid and flush ventrally; aperture an elon-
gate slit on the periphery, extending over onto the dorsal side
and continuing alons the spiral suture tor a distance of one
chamber. Diameter, 0.39 mm.; thickness, 0.29 mm. Common.

The specimens from Little Stave Creek exhibit a deeper ven-
tral side than C. westi Howe (loc. cit.) and have no umbilicus
eS 1s seen in the type figure. The figure of Cushman and Her-
rick (loc, cit.) shows the aperture in the middle of the base of
the septal face as in Gyroicina and is probably incorrectly drawn

This species belongs to the C. refulgens Montfort group, but,
unfortunately, Montfort’s species has never been accurately de-
scribed and figured.

Plesiotype.—No. 4850, locality 26, Lisbon fm., Claiborne, Eo-
cene.

Genus PLANULINA d’Orbigny, 1826
Planulina cocoaensis Cushman Plate 20, figs. 2a-c
Pianulina cocoaensis Cushman, 1928, Contry. Cushman Lab. Foram,, Res.,
vol. 4, p. 76, pl. 10, fig. 1 upper Hocene, Ala.; Cushman, 1946, Cushman

143 STAVE CREEK FORAMINIFERA: BANDY nip

Lab. Foram. Res., Special Publ. 16, p. 39, pl. 8, figs. 3, 4 upper Kocene,
Ala.

Test subcircular, discoidal and much compressed, dorsal side
flat, ventral side slightly convex and umbilicate with low rounded
boss; periphery slightly lobulate with narrow keel; edge acute ;
chambers 9 to 12 in the last whorl, distinct, the last-formed ones
slightly inflated, especially ventrally; sutures distinct, limbate,
slightly raised in the early portion of the dorsal side, otherwise
pearly flush or slightly depressed, strongly curved on both sides ;
wall fairly smooth, coarsely perforate, the dorsal spire with ir-
regular bosses; apeiture at the base of the last septal face in the
plane of coiling, extending over onto the dorsal side and continu-
ing along the base of the last two chambers, with distinct upper
‘ip. Diameter, 0.71 mm.; thickness, 0.21 mm. Common:

Plesiotype—No. 4981, locality 59,. Jackson, [ocene.
Pianulina cooperensis Cushman Plate 21, figs. ta-=c

Pianulina cocoaensis coopercisis Cushman, 1935, Contr. Cushman Lab.

Foram. Res., vol. 9, p. 20, pl. 2, figs. 12 a-c upper Eocene, 8. C.;
Bergquist, 1942, Mississippi State Geol. Sur., Bull, 49 (Fossils), p.
99, pl. 10, figs. 5, 6 upper Eocene, Miss.

Test much compressed, periphery slightly lobulate, spire visi-
ble on both sides; chambers about eight in the last whorl, very
slightly inflated; sutures distinct, strongly curved, slightly de-
pressed, narrowly limbate; wall coarsely perforate, otherwise
smooth and unornamented ; aperture a small narrow arch at the
base of the last septal face with an upper lip, extending along
the dorsal side for a distance of two or three chambers. Diam-
eter, 0.50 mm.; thickness of the last chamber, 0.08 mm. Com-
mon.

Plesiotype-—No. 4982, locality 58, Jackson, Eocene.
Planulina subinfiata, new species Plate 18, figs. la-e

Test subcircular iti side view, somewhat compressed, concavo-
convex ; ventral side moderately convex, evolute showing spire ;
dorsal side flattened or concave, somewhat more involute than
the ventral side ; edge subangular; periphery lobulate ; more
strongly so in the last half whorl; some of the earlier whorls
show on both sides of the test; chambers somewhat inflated on
the ventral side. enlarging gradually in size as added, about
seven or eight in the final whorl; ventral sutures limbate and
raised in the spire, depressed in the later part of the last. coil,

114 BULLETIN 131 144

curved; dorsal sutures limbate, mostly flush with the surface in
the early part, becuming depressed in the later portion of the
final whorl; wall coarsely perforate; aperture moderate in size
at the base of the last septal face in the plane of coiling, with an
extension dorsally along the base of the last chamber for a dis-
tance of one chamber, with a distinct upper lip. Diameter, 0.52
mm.; thickness, 0.18 mm. Common.

This species has characters of Planulina, Cibicides, and
Anomalina. The spire shows on both sides. There is a sharp edge
and the test is somewhat flattened nearly throughout; hence it
is placed in Planulina.

Holotype.—No. 4792, locality 64, Mint Spring fm., Vicksburg,
Oligocene,

PJanulina venezuelana Nuttall Plate 21, figs. 3a-c

Planulina venezuelana Nuttall, 1935, Jour. Paleont., vol. 9, p. 130, pl.
15, figs. 22-24 upper Eocene, Venezuela.

Test much compressed, nearly equilateral with the first coil
of the ventral side not visible; chambers about 10 to 12 in the
last whorl, slightly inflated in the later part; sutures moderately
curved, limbate and raised excepting in the later portion of the
last whorl where they become slightly depressed; periphery
smooth in the early portion, somewhat lobulate in the last part
of the final whorl, with a narrow keel; surface coarsely perfor-
ate, early chambers obscured on both sides by prominent fused
limbations of the early sutures; aperture narrow, at the base
of the last septal face in the plane of coiling, extending dor-
sally a short distance along the base of the last chamber. Di-
ameter, 0.78 mm.; thickness, 0.10 mm Abundant.

Plesiotype-—No. 4983, locality 58, Jackson, Eocene.

Genus SIPHONINA Reuss, 1850
Siphonina advena Cushman Plate 21, figs. 6a-c
Siphonina advena Cushman, 1922, U. 8. Geol, Sur., Prof. Paper 129-K,
p. 98, pl. 22, figs. 1, 2 Vicksburg, Oligocene, Miss.; Cole and Gillespie,
1930, Bull. Amer. Paleont., vol. 15, No. 57-B, p. 12, pl. 4, figs. 5, ‘6
Meson fm., Oligocene, Mex.; Cushman and MecGlamery, 1942, U. 8,

Geol. Sur., Prof. Paper 197-B, p. 74, pl. 7, figs. 2, 3 Vicksburg, Oligo-
eene, Gulf Coasta! Plain.

Test unequally biconvex, ventral side usually more convex;
periphery slightly lobulate; edge subacute; four chambers make
up the last whorl; sutures distinct, flush and somewhat limbate

145 STAVE CREEK FORAMINIFERA: BANDY 115

on the dorsal side, slightly depressed on the ventral side and
narrow; surface smooth; wall coarsely perforate; aperture el-
liptical, with short neck and phialine lip. Diameter, 0.58 mm. ;
thickness, 0.29 mm, Common.
Plesiotype-—No. 5028, locality 65, Mint Spring marl, Vicks-
burg, Oligocene.
Siphonina advena eocenica Cushman and Applin Plate 21, figs. Ta-¢
Siphonina advena cocenica Cusuman and Applin, 1926, Bull. Amer.
Assoe. Petr. Geol., vol. 1U, p. 180, pl. », figs. 10-9 upper Kocene, Tex.;

Cusfiman, 1935, U. 8. Geol. Sur., Prot. Paper 181, p. 49, pl. 20, figs.
¥-11 upper Eocene, Tex.

Test biconvex, ventral side more convex, periphery with very
narrow transparent keel; edge fairly smooth and entire; cham-
bers usually four to five in the last whorl; sutures on the ven-
tral side nearly radial, somewhat curved, those on the dorsal
side about flush with the surface, oblique, and slightly curved;
spiral suture rather indistinct, flush; wall smooth, rather coarse-
ly perforate; aperture elliptical with a short neck and a distinct
broad lip. Diameter, 0.45 mm.; thickness, 0.23 mm. Common.

There is little to distinguish this variety from the species. The
edge of the variety seems to be sharper.

Plesiotype.—No. 5029, locality 58, Jackson, Eocene.

Siphonina claibornensis Cushman Plate 21, figs. 4a-e
Siphonina claibornensis Cushman, 1927, U. 8S. Nat. Mus., Proe., vol. 72,
art. 20, p. 4, pl. 3, figs. 5 a-¢ Lisbon fm., middle Eocene, Miss.; Cush-
man and Applin, 1943, Contr. Cushman Lab. Foram. Res., vol. 19, p.

42, pl. 8, fig. 7 Yegua fm., middle Eocene, Tex.

Test small, nearly circular, biconvex, somewhat compressed ;
edge sharp; periphery with slight keel, somewhat variable, lobu-
late; chambers usuaily ‘five in the last whorl, slightly inflated
ventrally; dorsal sutures distinct, strongly oblique, slightly
curved, somewhat limbate; ventral sutures nearly radial, de-
pressed; wall smooth, very coarsely and conspicuously perfor-
ate; aperture elongate, narrowly elliptical, occupying the entire
height of the chamber, with a distinct lip but no definite neck
Diameter, 0.33 mm., thickness, 0.13 mm. Common.

Plesiotype-—No. 5030, locality 7, Tallahatta fm., Claiborne,
kocene.

Siphonina danvillensis Howe and Wallace Plate 21, figs. 8a-ce
Siphonina danvillensis Howe and Wallace, 1932, Louisiana Dept. Cons.,
Geol. Bull. 2, p. 70, pl. 13, fig. 1 upper Eocene, La.; Bergquist, 1942,

116 3ULLETIN 131 146

Mississippi State Geol. Sur,. Bull. 49 (Fossils), p. 89, pl. 9, figs. 5 ’a-¢
upper Eocene, Miss.; Cushman, 1946, Cushman Lab, Foram. Res.,
Special Publ. 16, p. 35, pl. 7, figs. 3, 4 upper Kocene, Ala.

Test biconvex, trochoid, the last whorl with about five cham-
bers; periphery with a broad, thin, denticulate keel; edge sharp;
chambers distinct on the ventral side, rather indistinct dorsally ;
sutures on the ventral side nearly radial, slightly curved and
somewhat depressed; dorsal sutures oblique to periphery, some-
what curved, and indistinct, especially in the spire; aperture
elongate, elliptical, slightly on the ventral side of the plane of
coiling, distinct short neck, thin flaring lip. Diameter, 0.54 mm. ;
thickness, 0.23 mm. Common.

This form is thicker and lacks the reticulate and spinose
ornamentation of S. jacksonensis Cushman and Applin (1910,
ull. Amer, Assoc.) Petr. ‘Geol; vol:;10)-

Plesiotype-—No. 5021. locality 58, Jackson, Eocene.

Genus PLANOKBULINA d’Orbigny, 1826
Planorbulina mediterranensis d’Orbigny Plate 21, figs. 2a-c

Planorbulina mediterranensis d’Orbigny, 1826, Ann. Sci. Nat., vol. 7,
p. 280, No. 2, pl. 14, figs. 4-6; Modéles, No, 79; Cushman, 1931, U.
S. Nat. Mus., Bull, 104, pt. 8, p. 129, pl. 24, figs. 5-8 Recent; Palmer,
1945, Bull, Amer. Paleont.,. vol; 29, No; TS; op: 76. Maocenes sia.
maiea,

Test usually attached, early chambers distinctly spiral, later
ones becoming somewhat irregular, often irregularly annular in
their arrangement, more or less lobulated on the ventral face;
periphery irregular, edge often angular; wall very coarsely per-
forate, early chambers somewhat indistinct; sutures depressed,
often clearly marked on the dorsal face by a distinct band of
shell material; apertures at either side of the chamber in the
adult, simple, with a raised lip. Diameter, 0.61 mm., thickness,
0.18 mm. Rare.

Plesiotype-—No. 4979, locality 67, Marianna ls., Vicksburg-
Oligocene.
Family ACERVULINIDZ Schultze, 1854
Genus SPHZZEROGYPSINA Galloway, 1933

Spherogypsina globulus (Reuss) Plate 21, fig. 5
Ceriopora globulus Reuss, 1847, Haidinger’s Naturwiss. Abh., vol. 2,
p. 33, pl. 5, fig. 7 middle Miocene, Austria.
Gypsina globulus Brady, 1884, Rep. Voy. Challenger, Zool,, vol. 9, p.
717, pl 101, fig. 8 Recent, British Islands; Cushman, 1935, Ur Ss

147 STAVE CREEK FORAMINIFERA: BANDY E77

Geol. Sur., Prof. Paper 181, p. 54, pl. 25, figs. 4, 5 upper Hocene,
southeastern U. 8.

Spherogypsina globulus Galloway, 1933, Manual of Foraminifera, p.
309, pl. 28, figs. 13, 14; Galloway and Heminway, 1941, New York

Aead. Sei,, Sci. Survey of Porto Kico and the Virgin Islands, vol. 3,

pt. 4, p. 406, pl. 27, fig. 7 lower Miocene, Oligocene, Porto Rico,

Test small, spheroidal; surface pustulose or pitted with a
more or less regular polygonal network formed by the walls
of the outside chambers; wall with fine but distinct perforations
with no distinct aperture other than the perforations. Diameter,
0.71 mm. Abundant.

Plesiotype.—No. 5032, locality 43, Moody marl member, Jack-
son, ltocene.

Family ASTERIGERINIDZE d’Orbigny, 1839
Genus ASTERIGERINA d’Orbigny, 1839
Asterigerina texana (Stadnichenko) Plate 22, figs: 3a-c
Kponides texana Stainichenko, 1927, Jour. Paleont., vol. 1, p. 252, pl.
38, figs. 1-5 Cook Mt., Hocene, Tex.

Asterigerina texana Cusiman and Thomas, 1929, Jour, Paleont., vol. 5,

p. 181, pl. 24, figs. 5 a-e Mt. Selman greensand, middle Kocene, Tex.

Asterigerina lisbonensis Cushman and Todd, 1945, Contr. Cushman Lab.

Foram. Kes., vol. 21, pt. 1, p. 19, pl. 4, figs. 15-18 Lisbon fm., Clai-
borne, KHocene, Ala.

Test trochoid, thickly biconvex, ventral side usually more con-
vex with a strong umbonal boss, dorsal side less convex and _ be-
coming fattened toward the periphery; edge acute, carinate;
whorls about 34; chambers 8 to to in the last whorl, with well-
developed rosette of supplementary chambers on the ventral side,
which alternate with the main chambers and extend about halt-
way toward the periphery; spiral suture of the dorsal side thick-
ened and slightly raised in some specimens, ventral sutures near-
iy radial, dorsal sutures oblique; wall finely perforate; surface
on dorsal side smooth, ventral side with earlier half prominently
papillate, some gerontic specimens with entire ventral surface
strongly beaded ; aperture a low sinuous arch extending from the
periphery inward to the area of supplementary chambers on the
ventral side, with well-developed lip. Diameter, 0.60 mm. ; thick-
ness, .034 mm. Abundant.

The original description and figures of this species display an
acute, carinate edge, and prominent spiral suture, the distinguish-
ing feature given for A. lisbonensis; hence, the latter ie placed in
synonymy.

118 BULLETIN 131 148

Plesiotype.—No. 4797, locality 18, Lisbon fm., Claiborne, Eo-

cene.
Genus ASTERIGERINELLA, new genus
Genotype.—Asterigerinella gallowayi, new species

Test free, complanate, planispiral, spire visible on both sides;
whorls about two to three; peripheral margin smooth, lobulate
or carinate; edge angled; chambers numerous, closely appressed,
gradually ; the ventral side with one series of chamber-

é

enlarging ¢
lets which alternate with the chambers to form a star pattern:
wall calcareous, finely perforate, smooth or papillate; aperture an
clongate slit extending from the base, or near the base, of the last
apertural face up into the face, with slightly developed encir-
cing lip. Diameter up to 1.3 mm.

This genus apparently evolved from slsterigerina by becoming
planispiral or nearly so, and tending to become evolute, showing
the spire on both sides. The only described species which may
belong to this genus is <lsterigerina tombigbeensis Cushman and
Garrett (1940, Contr. Cushman Lab. Foram. Res., vol. 16).

Asterigerineila gallowayi, new species Plate 22, figs. la-c

Vest ovate in side view, planispiral, compressed, spire visible
on both sides; periphery slightly lobulate, with prominent thin,
serrate carina, which may be ragged, partly due to poor preserva-
tion; edge sharp; chambers seven to nine in the final whorl, close-
ly appressed, increasing rather rapidly in height; sutures raised
alld limbate on both sides in the early inner portion; dorsal su-
tures limbate, moderately curved, slightly depressed in the last
whorl except for the last two or three which are slightly raised ;
ventral sutures slightly depressed in the last whorl, moderately
curved, meeting the periphery at an angle of about 60 degrees,
the juncture with secondary sutures about 2/5 of the distance
trom the periphery, secondary sutures slightly depressed; wall
rather finely perfcrate, variably papillate, some smaller speci-
inens with only a few widely scattered papille ; aperture a verti-
cal elongate slit extending from near the base of the last aper-
tural face upward about half the height of the face. Diameter
of type, 1.17 mm.; thickness, 0.17 mm. Common.

This form was probably derived from -/sterigerina tombig-
beensis Cushman and Garrett (1940, Contr. Cushman Lab.

~

‘

ke) Stave CrEEK ForRAMINIFERA: BANDY 119

Foram. Res., vol. 16, p. 26) of the Wilcox Eocene and differs
irom that form in the septal aperture, in being planispiral, more
evolute, and much more compressed. A. gallowayi is rather
common and many specimens were collected from locality 58.
This species is named in honor of Professor J. J. Galloway,
Indiana University, an inspiring teacher and scientist.
Holotype.—No. 47098, locality 58, Jackson, [ocene,

Family ORBULINIDZ Schultze, 1854

Genus GLOBIGERINA d’Orbigny, 1826
Globigerina bulloides d’Orbigny Plate 238, figs. 5a-ce
Globigerina bulloides d’Orbigny, 1826, Ann, Sci. Nat., vol. 7, p. 277,
No. 1; Modéles No. 76 Recent, Adriatic Sea; Howe and Wallace, 1932,
Louisivna Dept. Cons., Geol, Bull. 2, p. 73, pl. 10, fig. 10 upper Ho-
cene, La.; Galloway and Heminway, 1941, New York Aead. Sei., Sei.
Surv. Porto Rico and the Virgin Islands, vol. 3, pt. 4, p. 411, pl. 29,

figs. 1 a-b middle Oligocene—lower Miocene, Porto Rico.

Test longer than wide, consisting of 2% to 3 whorls arranged
‘na low, helicoid spire; chambers about 12 in number, inflated,
somewhat appressed, subelobular, rapidly enlarging, about 3%
to 4 in the last whorl; sutures depressed ventrally, less dorsally ;
wall thick, coarsely reticulate; aperture a large semicircular
opening into the umbilicus, with upper lip. Length, 0.50 mm. ;
breadth, 0.40 mm.; thickness of the last chamber, 0.35 mm. Com-
mon.

Plesiotype.—No. 4906, locality 58, Jackson, Eocene.
Glebigorina dissimilis Cushman and Bermudez Plate 22, figs. 2a-c

Globigerina dissimilis Cushman and Bermudez, 1937, Contr. Cushman
Lab, Foram. Res., vol. 13, pt. 1, p. 25, pl. 3, figs. 4-6 Eocene, Cuba.

Test subglobular, spire convex, periphery lobulate; cham
four in the adult whorl, inflated, subglobular, ventral
small supplementary chamber covering the umbilicus, qua
gular in side view; sutures strongly depressed ; wall coarsely can-
cellated excepting for that of the last chamber which is much
smoother ; aperture opening into the umbilicus at the lower edge
ai the supplementary chamber, Diameter, 0.57 mm.; thickness,
6.47 mm. Common.

This species differs from G. owachitaensis only m the final,
diminutive chamber, a feature of doubtful specific value.

Plesiotype.—No. 4901, locality 58, Jackson, Eocene.

120 BULLETIN 131 150

Globigerina dutertrei d’Orbigny Plate 22, figs. 4a-c
Globigerina dutertrei d’Orbigny, 1839, in De la Sagra, Hist. Phy. Pol.
Nat. Cuba Foramiiteéres, p. 84, pl. 4, figs. 19-21 mecent, Cuba; Cusn-
man, 1945, Contr. Cushman Lab. Foram, Kes., vol. 21, p. 75, pl. 12,
MSs 1O5p HLT

‘Lest helicoid, ventral side with deep umbilicus, dorsal side con-
vex; slightly over four chambers in the last whorl, chambers
globular, only shghtly appressed, increasing rather rapidly but
evenly in size in the early portion, gradually in the later part;
sutures depressed; wall coarsely perforate; aperture oval, ot
moderate size with a narrow distinct lip. Length, 0.62 mm. ;
breadth, 0.55 mm.; thickness, .45 mm. Kare.

The surface of the specimens from Little Stave Creek is retic-
ulate, appearing similar to the surface of the figured specimens
(Sa-c) of the last publication listed above under the synonymy.
Vhere is some doubt as to the identity of the Eocene specimens
with the Recent ones.

G. dutertrei, G. ouachitaensis, G. ouachitaensis senilis, and
G. dissimilis form a phyletic series of tighter coiling in the last
whorl and reduction in size of the final chamber.

Plesiotype.—No. 4902, locality 58, Jackson, Eocene.

Globigerina eocaenica Terquem Plate 23, figs. 2a-c

Globigering eocaenica Terquem, 1882, Soc. Géol. France, Mém., ser. 3,

vol. 2, p. 86, pl. 9, fig. 4 Eocene, France; Bandy, 1944, Jour. Paleont.,
vol. 18, p. 376, pl. 62, figs 5 a-e middle Eocene, Oregon.

Test subglobular. slightly compressed, three chambers in the
final whorl; edge broadly rounded, periphery slightly lobulate ;
chambers inflated, moderately appressed, the last chamber much
larger than the previous one, sutures much depressed; wall thick,
reticulate, coarsely perforate; aperture, a small low arched open-
ing, with upper lip, located at the base of the last apertural face
and to one side of the center of the last chamber. Length, 0.53
inm.; breadth, 0.43 mm.; thickness, 0.38 mm. Common.

Plesiotype.—No. 4903, locality 58, Jackson, Eocene.
Globigerina increbescens, new species Plate 23, figs. 3a-c

Test helicoid, dorsal side slightly convex, ventral side very
deep as a result of a rapid increase in height of the chambers;
periphery moderately lobulate; edge evenly rounded; whorls
about three, the last with four chambers ; sutures depressed, slight-

T51 STAVE CREEK FORAMINTFERA: BANDY 121

'y curved; wall coarsely and conspicuously perforate; aperture a
moderately high arch on the ventral side extending from near
umbilicus to near periphery, with upper lip. Diameter 0.48 mm. ;
height, 0.38 mm. Abundant.

This form is more coarsely perforate than G. imflata VOrbigny
(1839, in Barker, Webb and Berthelot, Hist. Nat. Iles Canaries,
vol. 2, pt. 2, Foraminiferes, p. 134, pl. 2, figs. 7-9) and is not so
high, the spire is more rounded, and the aperture is much shorter.

Holotype.—No. 4904, locality 58, Jackson, Eocene.

Globigerina ouachitaensis Howe and Wallace Plate 23, figs. 4a-c

Globigerina ouachitaensis Howe and Wallace, 1932, Louisiana Dept.
Cons., Geol. Bull. 2, p. 74, pl. 10, figs. 7 a-b upper Kocene, La.; Howe,
1939, Louisiana Dept. Cons., Geol. Bull. 14, p. 83, pl. 12, figs. 18,
19 middle Eocene, La.

Test subglobular, trochoid, with convex spire; periphery lob-
ate; chambers about 12 visible dorsally, the later ones spheroid-
al, tour in the last whorl, slightly enlarging, but increasing rap-
rdly in thickness dorso-ventrally; chambers inflated; sutures
deeply depressed; wall coarsely perforate; aperture high, open-
ing into the subquadrate umbilical vestibule. Diameter, 0.65 mm. ;
thickness, 0.43 mm. Rare.

Plesiotype-—No. 4905, locality 58, Jackson, Eocene.
Globigerina ouachitaensis senilis. new variety Plate 22, figs. 5a-c

(2?) Globigerina conglomerata Galloway and Morrey, 1929, Bull. Amer.

Paleont., vol. 15, No. 55, p. 9, pl. 3, fig. 7 late Eocene or lower Oligo-
cene, Eeuador.

Test subglobular, spire convex; chambers elongate dorso-ven-
trally, much inflated, the last one smaller than the penultimate,
four in the last whorl, forming a restricted, rectangular, deep
vestibule; sutures deep; wall coarsely perforate and reticulate ;
aperture opening into the vestibule, scarcely visible from the ex-
terior. Diameter, 0.40 min.; thickness, 0.22 mm. Common.

This variety differs from the species in being more globular
with higher, more appressed chambers.

Holotype.—No. 4900, locality 59, Jackson, Eocene.

Globigerina rotundata jacksenensis, new variety Plate 23, figs. 6a-c

Test subglobular, trochoid, dorsal side rather convex, ventral
side very deep due to the very rapid increase in height of the
chambers except for the last one, which is always very low
and flattened; periphery lobulate; edge broadly rounded, only

122 BULLETIN 131 152

a very slight shoulder; whorls about three, the last having near-
iv four chambers ; sutures considerably depressed, slightly curved ;
wall rather coarsely reticulate but fairly smooth; aperture a mod-
erately high arch on the septal face of the final small chamber
opening above a very small umbilicus. Diameter, 0.53 mm. ;
thickness, 0.46 mm. Common.

The contrast of the antepenultimate and penultimate cham-
bers with the small, flattened last chamber is a characteristic

‘oh easily distinguishes this variety from G. rotundata

>y (see Fornasini, 1898, Le Globigerine fossili @’Italia,
i. italica, vol. 4, p. 208, th. 3).
Holotype.—No. 4907, locality 58, Jackson, Eocene.

Globigerina spinuloinflata, new species Plate 23, figs. la-¢

Test helicoid, dorsal side flattened or slightly convex, ventral
side very deep as a result of the rapid increase in height of the
chambers; periphery moderately lobulate; edge rather abruptly
rounded, with shoulder; whorls 2% to 3, the last with about 4%
chambers; sutures depressed, on the dorsal side curved and
oblique, ventrally rearly radial; wall coarsely perforate, con-
epicuously spinose, rather reduced on the tast chamber; aper-
ture a moderately low arch opening into the umbilicus, with an
upper lip. Length, 0.42 mm.; breadth, 0.34 mm.; thickness, 0.29
fie | ate:

G. topilensis Cushman (1925, Contr. Cushman Lab. Foram.
Res., vol. 1, pt. 1) is very much more lobulate in the adult form
than this rather regular species.

Holotype-—No. 4908 locality 7, Tallahatta fm., middle Eo-
cene.

Globigerina trilocularis d’Orbigny ; Plate 24, figs. 2a-c
Globigerina trilocularis d’Orbigny, 1826, Ann. Sci. Nat., vol. 7, p.

277, No. 2 Miocene. France; Bandy, 1944, Jour. Paleont., vol. 18,
p- 376, pl. 62, figs. 7 a-b middle Eocene, Oregon.

Test subglobular, trochoid, about 31% chambers making up the
final whorl, the last chamber making up one-third or more of
the entire test in size; wall coarsely punctate; aperture an arch
at the base of the last chamber with an upper lip, Maximum di-
ameter, 054 mm.; thickness of last chamber, 0.37 mm. Com-
mon,

This form is similar to G. triloeulinoides Plummer (1926,

153 STAVE CREEK FORAMINTIFERA: BANDY 123

Texas Univ., Bull. 2644) but differs in less globular and more
«ppressed chambers.

Plesiotype.—No. 4909, locality 58, Jackson, Eocene.

Genus GLOBIGERINOIDES Cushman, 1927
Globigerinoides pseudodubia, new species Plate 24, fis. la-c

Test large, coiled in a regular low-spired helix, 4 to 414 cham-
hers in the final whorl; ventral side with a small, deep umbilicus ;
periphery lobulate; chambers globular, increasing rapidly in
length dorso-ventrally, but increasing slowly in the radial direc-
tion, so that the later chambers appear nearly of equal size; su-
tures depressed; wall hispid, rather coarsely perforate; ventral
«perture a circular arch, opening partly into the umbilicus on the
dorsal side at the intersection of the radial and spiral sutures.
Diameter, 0.45 mm.; thickness, 0.31 mm. Common.

This form is similar to Globigerina dubia Egger (1857, Neues
Jahrb. Min. Geogn. Geol. Petref., p. 281), differing mainly in the
accessory apertures on the dorsal side, and in the chambers of the
dorsal spire increasing very rapidly in size at first, then more
eradually in the later part.

Holotype —No. 4911, locality 7, Tallahatta fm., Claiborne,
locene.

Genus GLOBIGERINELLA Cushman, 1927
Globigerinella pseudoveluta, new species Plate 24, figs. 4a-b
Test planispiral, involute about one-third of the width of a

whorl ; about six chambers in the last coil, increasing rapidly but
regularly in size as added, globular, somewhat appressed; sutures
depressed, slightly curved, wall smooth, rather coarsely perforate ;
aperture a high arch at the base of the last septal face, with upper
lip. Diameter of holotype 0.40 mm.; thickness of the last cham-
Ler, 0.16mm. Rare,

This species differs from G. equilateralis (Brady) (1884, Rep.
Voy. Challenger, Zoology, vol. 9, p. 605, pl. 80, figs. 18-21) in be-
ing more evolute; in that species, the whorls barely touch. The
large aperture, more coarsely perforate test, and more appressed
chambers distinguish this species from G. voluta White (1928,
Jour, Paleont., vol. 2, p. 197).

Holotyvpe-—No. 4910, locality 15, Lisbon fm., Claiborne, Eo-
cene,

124 BULLETIN 131 154

Family HETEROHELICID2 Cushman, 1927

Genus GUMBELINA Egger, 1899
Giimbelina cubensis Palmer Plate 24, figs. 3a-b
Gimbelina cubensis Palmer, 1934, Mem, Soe. Cubana Hist. Nat., vol. 8,
p. 74, text figs. 1-6 lower Oligocene, Cuba; Cushman, 1946, Cushman
Lab. Res., Special Publ. 16, p. 22, pl. 4, fig. 28 upper Eocene, Ala.

Test minute, seven or eight pairs of chambers biserially arrang-
ed throughout; periphery moderately lobulate in side view;
chambers inflated, increasing regularly but rapidly in width so
that the later two pairs of chambers make up about half of the
test length, maximum width at the apertural end; edges evenly
rounded, sutures depressed, nearly straight and transverse; wall
finely perforate, slightly roughened; aperture a very low arch at
the base of the last apertural face, with lip. Length 0.31 mm.;
width, 0.14 mm.; thickness, 0.15 mm, Common.

Plesiotype-—Ne. 4915, locality 59, Jackson, Eocene.

Giimbelina cubensis heterostoma Bermudez Plate 24, figs. Ta-b

Gimbelina cubensis heterostoma Bermudez. 1937, Soe. Cubana Hist. Nat.,
Mem., vol. 2. p, 143, pl. 17, figs. 5-7 Eocene, Cuba; Bergquist. 1942,
Mississippi State Geol. Sur., Bull. 49 (Fossils), p. 63 upper Eocene,
Miss.

Test very small, about eight or nine pairs of chambers biserially
arranged; periphery somewhat lobulate; chambers inflated.
mcreasing regularly but rather rapidly in size so that the last two
or three pairs of chambers make up half of the test length, maxi-
mum width at the apertural end; sutures very little depressed in
the early portion, more so in the later part, nearly straight, some-
what oblique; wall finely perforate, somewhat roughened or
apparently tending to be reticulate; aperture a distorted arch
eccentrically located, with a faint lip or fringe. Length. 0 22
ram. ; breadth, 0.13 mm. ; thickness, 0.08 mm. Common.

The eccentric aperture of this variety and the comparatively
thinner test are the distinguishing features.

Plesiotype-—No. 4916, locality 58, Jackson, Eocene.

Genus GUMBELITRIA Cushman, 1933
Gtimbelitria stayensis, new species Plate 24) fiass 5a=b

Test very small, elongate pyramidal in form; chambers globu-
ler, triserial, about twenty-one in number, increasing gradual-

TiS STAVE CREEK FORAMINIFERA: BANDY 125

ly in size; wall finely perforate; surtace a little uneven; aperture
a small, semicircular opening at the base of the last chamber,
with an upper lip. Length, 0.21 mm.; diameter, 0.11 mim.

This species differs from G. cohunbiana Howe (1939, Loutst
ana Dept. Cons., Geol. Bull. 14) in having more chambers which
increase much more gradually in size, resulting in a much longer
end more slender test. Common.

Holotype—No. 4917, locality 10, Tallahatta fm., middle
Eocene.

Genus BOLIVINA d’Orbigny, 1839
Bolivina alazanensis Cushman Plate 25, figs. Q9a-b
Bolivina alazanensis Cushman, 1926, Contr. Cushman Lab. Foram Res.,
vol. 1, pt. 4, p. 82, pl. 12, fic. 1 Alazan clay. Oligocene, Mex.; Cush-
man, 1937, Cushman Lab. Foram. Res., Special Publ. 9, p. 63, pl. 8,
figs. 6, 7 upper Eocene Coastal Plain region, U. 8S, A.; Cushman, 1945,

Contr. Cushman Lab. Foram, Res.. vol. 21, p. 97, pl. 15, fig. 22 Oligo-
cene, Mex., Venezuela, Cuba; Jackson, Eocene, southeastern U. S. A.

Test elongate, tapering, about 21% times as long as broad, some-
vhat rhomboid in transverse section, very thick in middle then
thinning rapidly toward the edges; periphery smooth in_ early
portion, becoming slightly lobulate in the uppermost part, with
thin keel in upper part; chambers distinct, curved, much broader
than high in the early part but increasing in height toward the
apertural end, in the adult developing a distinct angular lobe at
the base near the center portion and_ slightly overlapping the
vorevious chamber; sutures distinct, curved, limbate, in the early
portion usually fused in the middle of the test to form a prominent,
longitudinal median ridge, slightly broken up toward the apertural

> : ’ D> 2
end; wall smooth, distinctly and finely perforate; aperture elon-
vete, narrow, with a slight lip. Length, 0.43 mm.; breadth 0.19
mim.; thickness, 0-09 mm. Common.

Plesiotype.—No. 4801, locality 58, Jackson, Eocene.
Bolivina dalli (Cushman) Plate 24, figs. 6a-b
bifarina dalli Cushman, 1926, Contr. Cushman Lab. Foram. Res., vol.
2, p. 31, pl. 4, fig. 5 Jackson, Kocene, Ala.

Loaostomum dalli Cushman, 1935, U. 8S. Geol. Sur., Prof. Paper 181, p.
38, pl. 15, fig, 5; Cushman, 1946, Cushman Lab. Foram. Res., Special
Publ. 16, p. 27, pl. 4, fig. 13 upper Eocene, Ala., Panama and one re-
ported occurrence from lower Oligocene Ala.

Loxostoma dalli Cushman, 1937, Cushman Lab. Foram. Res.., Special
Publ. 9, p. 175, pi. 20, figs, 25, 26, 27 upper Eocene Ala.

126 BULLETIN 131 156

Test somewhat compressed, oval in section, much elongate
with edges and sides nearly parallel, tapering gradually toward the
initial end; edges round; apertural end rounded, apex abruptly
1ounded; chambers eight or nine pairs, increasing gradually in
size, only slightly inflated near the apertural end; sutures slightly
depressed, oblique ; wall very finely perforate ; surface ornamented
with 10 to 12 small, longitudinal coste, which are stronger in the
first half of the test and extending forward different distances in
different specimens; the coste are lower or not developed along
the biserial sutures; aperture an elongate, narrow slit, beginning
at the base of the last septal face and extending upward onto the
top of the last chamber, there becoming wider, with distinct lip.
Leneth, “0.55 mn ;° breadth; ~o:18 mimi;. “thickness, ooo; mmm
\bundant.

In all of the apertural views given of this species and in all of
the many specimens found at Little Stave Creek the aperture ex-
tends to the base of the septal face. For this reason this species is
placed under Bolivina.

Plestotvpe.—-No. 4805, locality 58, Jackson, Eocene.

Bolivina denticulata, new species Plate 25, figs. 3a-b

Test very small, three times longer than broad, ovate in aper-
‘ural view, sides tapering very gradually from apertural end four-
fifths of the way, then tapering abruptly to the initial end;
periphery slightly lobulate or nearly smooth with spinose projec-
tions of the lower peripheral angle over the preceding chamber,
most pronounced in the lower half of the test; chambers narrow,
about nine pairs, increasing very gradually in height, as added,
broader than high, very little if at all inflated; sutures distinct,
not limbate, slightly depressed, oblique and gently curved; wall
smooth, very finely perforate; aperture elongate, oval, with
shght lip. Length, 0.26 mm.; breadth, 0.09 mm.; thickness, 0.04
anm. Common.

This species is apparently the ancestor of B. beyrichi Reuss
(1851, Zeitscher. Deutsch. Geol. Gesell., vol. 3, p. 83, pl. 6, fig. 51)
fyom which it differs in being much smaller with less prominent
serrations along the periphery, sutures not’ limbate in the early
part, and in being broader throughout its length,

157 STAVE CREEK FoRAMINIFERA: BANDY ely

Holotype.—No. 4806, locality to, Vallahatta fm., Claiborne,
lLocene.

Bolivina huneri Howe Plate 25, figs. la-b

Bolivina huneri Wowe, 1959, Louisiana Dept. Cous., Geol. Bull. 14, p.

66, pl. 9, figs. 3, 4 Cock Mt., middle Eocene, La.

Test small, elongate, thickly elliptical in cross section, rapidly
enlarging in the early part, slowly enlarging in the later three-
fourths, so that the edges tend to be parallel; sides flat, nearly
parallel; edge sharpely rounded, sharper for the last few cham-
bers; chambers not inflated, about 10 or 12 pairs, the last three
pairs making up half of the test; sutures obscure, flush, arcuate,
oblique at the edge; wall finely but conspicuously perforate, the
pores enlarging in the secondary surface thickening; surface in
general smooth, ornamented by a secondary deposit showing deli-
cate irregularly imbricating or anastomosing striz which tend to
be vertically arranged with enlarged pores between; last pair
cnambers unornamented ; aperture a narrow, high slit, with thin
lip. Length, 054 mm.; breadth, 0.23 mm.; thickness, 0.11 mm.
Common.

Plesiotype-—No. 4807, locality 49, Yazoo clay, Jackson, Eo-
cene.

Bolivina jackscnensis Cushman and Applin Plate 25, fies. 2a-b

Bolivina jacksonensis Cusiman and Applin, 1926, Bull. Amer. Assoe.

Petre, Geol, vol, 10; p. 167, pl. 7, figs. 3; 4 upper Hocene, Texas);
Cushman, 1935, U. S. Geol. Sur., Prof. Paper 181, p. 37, pl. 14, figs:

11-13; Cushman and Todd, 1945, Contr. Cushman Lab. Foram, Res.,
vol. 21, p. 95. pl. 15. fig. 14 Moodys marl, Jackson, Kocene, Miss.

Test much compressed, thickest along the median line ; periph-
ery smooth, not lobulate; edge acute, not keeled; chambers in
about I1 pairs, enlarging rapidly in the early portion, then very
gradually in the later part; sutures arcuate, thickest at the top of
the arc, slightly limbate in the early part, somewhat depressed in
the later portion; wall of the early part with slightly coarser punc-
ta, later portion with finer pores ; aperture elongate, narrow, with
a slight lip. Length, 0.54 mm.; breadth, 0.23 mm.; thickness,
610mm. Not common.

Plesiotype.—No, 4808, locality 30, Lisbon fm., Claiborne, Eo-
cene.

Bolivina mississippiensis Cushman Plate 25, figs. 4a-b

Bolivina mississippiensis Cusliman, 1922, U. 8, Geol. Sury., Prof. Paper

129-E, p. 92, pl. 15, fig. 5 Vicksburg, Oligocene, Miss.; Cushman and

128 BULLETIN 131 158

Todd, 1946, Contr. Cushman Lab. Foram, Res., vol. 22, p. 92 pl. 15,
fig. 50 Vicksburg Oligocene (Byram marl), Miss., Ala.

Test elongate, tapering, about 2% times longer than broad,
ovate in transverse section, greatest breadth near the apertural
eud; periphery smooth; edge subacute; chambers about 11 pairs
b;oader than high, the base of the chambers in the adult with one
or more small re-entrants; sutures distinct, limbate, crenulate,
curved, strongly oblique; wall finely perforate, ornamented only
with re-entrants; aperture a narrow, oval opening extending to
the base of the septal face with a slight lip. Length, 0.52 mm. ;
breadth, 0.20 mm.; thickness, 0.11 mm. Common.

Plesiotype.—No. 4809, locality 64, Mint Spring marl, Vicks-
burg, Oligocene. —

Bolivina regularis Nuttall Plate 25, figs. 10a-b

Bolivina regularis Nuttall, 1928, Geol. Soc. London, Quart. Jour,, vol.
84, p. 74, pl. 3, fig. S Oligocene, Trinidad.

Test small, elongate, about 2% times longer than broad, flat-
tened ovate in apertural view; edge sharply rounded; periphery
smooth, noncarinate; chambers closely appressed, about 9 or ro
pairs, width greater than height, enlarging gradually; sutures
slightly curved, oblique to edge, broadly limbate and raised medi-
arly, becoming narrower and less raised toward the periphery,
somewhat fused alone the median portion of the test forming a low
ridge, particularly in the early part; wall very finely perforate
surface smooth excepting for the marked sutural limbations ;
aperture elongate with lip. Length, 0.31 mm.; breadth, 0.11
mm.; thickness, 0.04 mm. Common.

The specimens frem Little Stave Creek seem to be slightly
proader and with somewhat less curvature to the sutures.

Plesiotype.—No. 4812, locality 10, Tallahatta fm., Claiborne,
[-ocene.

Bolivina retifera, new species Plate 24, figs. 10a-b

Test subcuneiform in side view, strongly compressed, about
11% to 2 times longer than broad; edge acute, carinate ; periphery
lobulate in later part; chambers 10 to 12, gradually enlarging;
wall finely perforate ; surface highly ornamented by raised arcuate
sutures which fuse along the median line to form a zigzag ridge
or costa; the outside of each chamber slopes inward and upward,
and excepting for the last one or two pairs, 1s ornamented by

159 STAVE CREEK FORAMINIFERA: BANDYy 129

coarse puncta surrounded by raised rims, making a finely reticu-
ate pattern; apical end most thickened and irregularly reticulate ;
;perture an oval slit, extending from the base of the last septal
face upwards a short distance, bordered by a strong lip. | Length,
0.72 mm.; breadth, 0.33 mm.; thickness of compressed adult
chambers, 0.08 mm. Common.

This species slightly resembles 4. byraniensts Cushman (1923,
Ges: Geok Sur. Prot Paper 132, p) 19, pl: 1, ties.) but difiers
from it in the carinate edge, more elongate form, finer reticu-
lation, and the median ridge formed by the fusion of the sutures.

Holotvpe.—No. 4804, locality 59, Jackson, Eocene,

Bolivina salebrosa, new species Plate 25, figs. 6a-b

Test small, ovate in end view, very elongate, narrow, about
three times longer than broad; periphery smooth; edge acute,
not keeled; chambers about 11 or 12 pairs, enlarging gradually ;
sutures slightly limbate, flush; wall of lower two-thirds of test
characterized by roughened thickening with rather coarse per-
forations, surface of last few chambers smooth with moderate
perforations; aperture elongate, narrow, with a slight lip.
Length, 0.52 mm.; breadth, 0.18 mm.; thickness, 0.09 mm. Not
common.

This species is readily distinguished from 56. jacksonensis
Cushman and Applin by its relatively much narrower and thicker
test and from B. huneri Howe by the lanceolate form and less
surface ornamentation.

Holotype— No. 4810, locality 43, Moodys marl, Jackson,
l-ocene.

Bolivina striatellata, new name Plate 24, figs. 8a-b, 9a-b
Bolivina jacksonensis striatella Cushman and Applin, 1926, Bull. Amer.
Assoe. Petr, Geol., vol. 10, p. 167, pl. 7, figs. 5, 6 upper Eocene Tex.;
Cushman, 1935, U. S. Geol. Sur., Prof. Paper 181, pl. 14, figs. 14-18
upper Eocene, 8S. C., Ala., Miss.; Cushman, 1937, Cushman Lab,
Foram. Res., Special Publ. 9, p. 58, pl. 7, figs. 19-21; Cushman and
Todd, 1945, Contr. Cushman Lab. Foram. Res., vol. 21, p. 96, pl. 15,

fig. 15 Moodys marl, upper Kocene Miss.
Test elongate, much compressed, thickest along the median
‘ne, about 2 1/3 times as long as broad; periphery with thickened
keel, most prominent in upper half of test, apical end _ bluntly

rounded; edge sharply rounded; chambers about 20, closely

130 BULLETIN 131 160

appressed, increasing gradually in size, peripheral portions ex-
tending strongly backward, median portion slightly curved back;
sutures distinct, limbate and raised on the upper portion of the
test, flush and covered over.in the early part, curved strongly
hack near the periphery, raised and fused in the median line to
form a longitudinal costa or ridge; wall finely perforate; surface
ornamented with a few fine longitudinal coste in the early part
of the test; aperture elongate, extending from the base of the
1ast chamber part of the way up the septal face. Length, 0.60
mm.; breadth, 0.28 mm.; thickness, 0.03 mm. Common.

The name 5. jacksonensis striatella Cushman and Applin is
preoccupied by B. advena_ striatella Cushman (1925, Contr.
Cushman, Lab. Forunn Res.; vol,.1, p30, pl. 5; ine. 2 )ieamciniss
therefore, not valid.

Plesiotype.—No. 4802 (figs. 8a-b); plesiotype, No. 4803
(figs. ga-b), locality 58, Jackson, Eocene.

Bolivina taylori Howe Plate 25, figs. 5a-b

Bolivina taylori Howe, 1939, Louisiana Dept. Cons., Geol. Bull. 14, p.
67, pl. 9, figs. 9, 10 Cook Mt., Kocene, La.; Cushman and Applin,
1943), Contr. Cushman Lab, Koram. Res., vol: 19) p. 39, ple 7)) ne:
27 Yegua, Kocene Tex.; Cushman and ‘Todd, 1945, Contr. Cushman
Lab. Foram. Res., vol, 21, p. 17, pl. 4, fig. 9 Lisbon fm., Claiborne,
Kocene, Ala.

Test about 2% times longer than broad, compressed ovate in
end view; periphery smooth, not keeled; edge sharply rounded;
chambers of uniform shape, increasing regularly in size as added,
not inflated; sutures very distinct, limbate, strongly arched,
oblique, not depressed, slightly raised at the intersection of su-
tures; wall smooth, finely perforate; aperture elongate, rather
narrow. Length, 0.34 mm.; breadth, 0.13 mm.; thickness, 0.05
mm. Common,

The Little Stave Creek form seems to be very near, if not con-
specific with, B. taylori Howe differing only, perhaps, in being
slightly thicker. However, a comparison of measurements with
those given by Dr. Howe indicates very little difference in this
respect. Some variation in the relative breadth and taper of
the test is apparent in the specimens from Little Stave Creek.

Plesiotype.— No. 4813, locality 15, Lisbon fm., Claiborne,

Tocene.

101 STAVE CREEK FORAMINIFERA: BANDY 131

Genus LOXOSTOMUM Ehrenberg, 1854
Loxostomum baculum, new species Plate 25, figs. 8a-b

Test small, fairly slender, oval in cross section, apertural end
plunt. initial end rounded; chambers about eight pairs, slightly
inflated; sutures oblique, somewhat depressed, especially in the
later portion, earlier ones nearly straight, later ones arcuate;
wall thick, coarsely perforate; aperture oval, terminal or sui-
terminal, with a‘definite-lip. Length, 0:38 mm.;. breadth, 0.12
min. ; thickness, 0.08 mm. Common.

This form is similar to Bolivina gracilis Cushman and Applin
(1926; Bull: Amer, Assoc. Petr. Geol., vol: 10), ditferime anithe
definate terminal aperture and = more rounded — apex.
L. claibornense Cushman (1936, Cushman Lab. Foram. Res.,
Special Publ. 6) has sigmoid sutures.

Holotype.—No. 4941, locality 58, Jackson, Eocene.

Loxostomum serrula, new species Plate 25, figs. lla-b
Test elongate, about four times longer than broad, slightly
compressed, periphery slightly lobate, with spinelike projections
- downward from the lower peripheral edge of each chamber;
chambers distinct, about eight pairs, increasing rapidly in height,
especially in the adult, where they are fully twice as high as
broad, very slightly inflated if at all; sutures distinct, not limbate,
flush with the surface in the early part, slightly depressed in the
later portion, slightly ublique in the early portion, strongly oblique
in the adult portion, curved downward especially at the outer edge ;
wall smooth, finely perforate, unornamented excepting for the
peripheral spines ; aperture terminal, oval, with slight lip. Length,
0.45 mm.; breadth, 0.12 mm.; thickness, 0.07 mm. Rare.
Bolivina beyrichi Reuss (1851, Zeitschr. Deutsch. Geol. Gesell.,
vol. 3, p. 83, pl. 6, fig. 51) is broader, the cameral spines longer,
and the aperture is bolivine.
Holotype. No. 4811, locality 10, Tallahatta fm., Claiborne,
IXocene.
Genus BIFARINA Parker and Jones, 1872
Bifarina vicksburgensis (Cushman) Plate 25, figs. Ta-b
Bolivina vicksburgensis Cushman, 1922, U. 8. Geol. Sur., Prof. Paper
129-F, p. 126, pl. 29, fig. 2 Vicksburg, Oligocene, Miss.
Bifarina vieksburgensis’ Cushman, 1929, Contr. Cushman Lab. Foram.,
Res., vol. 5, p. 45, pl. 8, figs. 3, 4 Oligocene, Miss.; 1937, Cushman

Lab. Foram. kes., Special Publ. No. 9, p. 198, pl. 22, figs, 29-33 Oligo
cene, Miss,, Tex., and Mex.

132 3ULLETIN 131 162

Test very elongate, about five times as long as broad, little
compressed, more so in the early biserial portion, adult portion
staggered uniserial becoming uniserial; periphery in the young
serrate, due to the projections of the basal angle of each chamber,
in the adult somewhat lobate ; chambers 10 to 11 pairs, in the early
portion wider than high, in the adult height and breadth about
equal, somewhat inflated in the later portion; sutures distinct,
in the early portion slightly depressed and making an angle of
about 45° with the horizontal, in the adult portion much de-
pressed and approaching the horizontal; wall coarsely perforate,
the perforations having a tendency to be arranged in longitudinal
lines; aperture terminal, oval, with a distinct lip. Length, 0.50
mm.; breadth, 0.10 mm. Common.

This is apparently the lowest reported occurrence in the column
of this distinctive little species. — It is common in the sample from
locality 58.

Plesiotype.—No. 4799, locality 58, Jackson, Eocene.

Genus BITUBULOGENERINA Howe, 1934
Bitubulogenerina howei Cushman Plate 25, figs. 12a-b
Gaudryina, sp. Cushman, 1922, U. S. Geol. Sur., Prof. Paper 129-F,
p. 127, pl. 29, fig. 6 Mint Spring marl, Oligocene.
Bitubulogenerina, sp. Howe, 1934, Jour. Paleont., vol. 8, pl. 51, fig. 4
Mint Spring marl, Oligocene.
Bitubulogenerina howei Cushman, 1935, Contr, Cushman Lab, Foram.
Res., vol. 11, pt. 1, p. 20, pl. 3, figs. 10-12 Mint Spring marl, Oligo-

cene; Bergquist, 1942, Mississippi State Geol. Sur., Bull. 49 (Fossils),
p- 72, pl. 7, fig. 25 Yazoo clay, Eocene.

Test elongate, early portion tapering, triserial, later adult portion
biserial, with sides nearly parallel, very slightly compressed ;
periphery rounded and lobulate; chambers distinct, inflated, the
early triserial chambers increasing rapidly in size, the biserial
ones increasing gradually as added; sutures fairly distinct, strong-
lv depressed; wall calcareous, coarsely perforate, with reticulate
and finely spinose surface, with rough appearance; aperture in
adult terminal, nearly median, large, rounded, with thick lip.
Length, 0.31 mm.; breadth, 0.16 mm.; thickness, 0.13 mm. Not
common.

Plesiotype— No. 4800, locality 64, Mint Spring marl,
Vicksburg, Oligocene.

162 STAVE CREEK FORAMINIFERA: BANDY 133

Family BULIMINID4E Jones, 1876
Genus REUSELLA Galloway, 1933
Reusella moodysensis, new species Plate 25, figs. 13a-b

Test elongate, trihedral, angles acute, sides slightly concave,
in the adult form, widest slightly above the middle, triangular
in transverse section; surface smooth; wall very finely perforate ;
sutures curved rather strongly downward toward the periphery,
also deflected downward near the inner end of the chamber ;
chambers with small, thickened flaps developed at their lower inner
margin overlapping the previous chamber slightly; aperture a
small arched opening at the base of the last septal face, centrally
located, with small upper lip. Length, 0 58 mm.; width of one
side, 0.34 mm. Common.

The small inner thickened flaps, smooth surface, and sutural
character distinguish this species from the other forms of this
genus, R. eocena (Cushman) (1933, Contr. Cushman Lab:
Foram. Res., vol. 9) has thickened angles in the adult
R. moodysensis does not exhibit such thickening in any of the
growth stages. It is more slender and the sides are only slightly
concave, The small thickened flaps are variable and in some
individuals they are almost indistinguishable except when
accentuated by staining methods.

Holotype.— No. 5002, locality 43, Moodys marl member,

Jackson, Eocene

Genus BULIMINA d’Orbigny, 1826

Bulimina byramensis Cushman and ‘Todd Plate 25, figs. 14a-b

Bulimina byramensis Cushman and Todd, 1946, Contrib. Cushman Lab.
Foram. Res., vol, 22, p. 91, pl. 15, figs. 25, 26 Byram marl, Vicks-
burg, Oligocene, Miss.

Test small, three-sided, straight or slightly twisted pyramidal
or tapering at both ends, initial end subacute, greatest width
above the middle, angles rounded, sides flat or slightly concave;
chambers closely appressed, not inflated, six or seven whorls;
sutures oblique, nearly flush, slightly curved; wall smooth, finely
perforate ; aperture small, virguline, not in a depression. Length,
0.34 mm.; diameter, 0.17 mm.

Plesiotype-—No. 4814, locality 64, Mint Spring marl, Vicks-
burg, Oligocene.

134 BULLETIN 131 164

Bulimina elongata d’Orbigny Plate 25, fig. 15
Bulimina elongata ad Orbigny, 1846, Foraminiféres fossiles du bassin
tertiaire de Vienne, p. 187, pl. 11, figs. 19, 20 (not Bulimina elongata
d’Orbigny, 1801, nomen nudum; Fornasini, 1901); Cushman and
Parker, 1937, Contr. Cushman Lab. Foram. Res., vol. 13, p. 49, pl.

7, figs. 2, 3 Miocene, Vienna Basin; 1947, U. S. Geol. Sur., Prof.
Paper 210-D, p. 108, pl. 25, figs. 15, 17 (mot 14, 16) Miocene Austria.

Test elongate conical, twisted, enlarging from the subacute

itial end to the greatest breadth at the last formed whorl, about
2% times as long as broad, consisting of five or six whorls;
chambers moderately inflated, twisted triserial, so that the cham-
Lers do not appear in vertical tiers, increasing rather uniformly
in size as added; sutures curved, oblique, depressed ; wall smooth,
finely perforate; aperture virguline, oblique, in an oval depres-
sion in the septal face.

It would seem best to restrict this species to forms agreeing
closely with the type figure from the Miocene as is the present
practice for other species of Foraminifera.

Plesiotype.— No. 4819, locality 58, Jackson, Eocene.
Bulimina jacksonensis Cushman Plate 26, figs. 5a-b
Bulimina jacksonensis Cushman, 1925, Contr. Cushman Lab. Foram.
Res:, vol. 1, pt: 1, 1p. 6, pl. 1, figs: 6, 7 upper Hocene, Mex.) 1946;
Cushman Lab. Foram. Res., Special Publ. 16, p. 23, pl. 5, fig. 1 Jack-
son Kocene, 8. C., Fla., Ala., Miss,, Tex., Venezuela, and Trinidad;

Cushman and Parker, 1947, U. S. Geol. Sur., Prof. Paper 210-D,
p- 97, pl. 22, figs. 14-16 upper Eocene, Ala., Mex.

Test large, elongate oval, tapering, initial end bluntly pointed
or subacute, apertural end broadly rounded; chambers in seven
to eight triserial whorls, in three regular tiers, the later ones
slightly inflated; sutures flush in the early part and slightly de-
pressed in the later part; surface smooth, ornamented by six to
eight prominent, sharp, serrate, longitudinal coste, much raised
above the surface, continuous from base of test to last chamber ;
aperture virguline, nearly terminal or in a low, broad depression,

with narrow lip. Length, o.80 mm.; diameter, 0.43. mm.
Abundant.

Plesiotype— No, 4817, locality 58, Jackson, Eocene.
Bulimina jacksonensis cuneata Cushman Plate 26, fig. 4

Bulimina jacksonensis cuneata Cushman, 1926, Contr. Cushman Lab.
Foram. Res., vol. 2, p. 35 upper Eocene, Ala.; Cushman, 1935, U. S.
Geol. Sur., Prof. Paper 181, p. 35, pl. 13, figs. 10, 11 upper Eocene
SE On Alae

This variety differs from the species in being more tapered,

larger and with about 10 or 12 serrate coste whereas the species

THs STAVE CREEK FoRAMINIFERA: BANDY Tc

has only six or eight less serrate cost. Length, 0.90 mm. ; diam-
eter, 0.48 mm. Common,
Plesiotype.— No. 4818, locality 58, Jackson, Eocene.

Bulimina simplex Terquem Plate 26, figs. 3a-b

Bulimina simplex 'Terquem, 1882, Soe. Géol. France, Mém., ser. 3, vol.

2, p- LO9) pl-- 1 (19), figs. 23) 25 Kocene, Paris Basin; Cushman and

Parker, 1937, Contr. Cushman Lab. Foram. Res., vol. 15, p. 67, pl.

9, fig. 4 (topotype); Cushman and Todd, 1945, Contr. Cushman Lab,

Foram. Res., vol. 21, p. 17, pl. 4, fig. 5 Lisbon fm., middle Eocene,

Ala.; Cushman and Parker, 1947, U. S. Geol. Sur., Prof, Paper 210-D,

p. 89, pl. 21, fig. 9 Hocene, Paris Basin and Lisbon fm., Claiborne,
Jocene, Ala.

Test small, elongate, tapering from the broad apertural end to
che acute apex, about 2% times as long as broad, consisting of
five or six whorls; chambers moderately inflated, regularly
triserial, appearing in vertical tiers, increasing rather uniformly
in size as added; sutures straight, depressed; wall smooth, finely
perforate ; aperture small, virguline, in a shallow, oval depression,
with neither tooth nor lip. Length, 0.39 mm.; diameter, 0.14 mm.

Common.

Plesiotype —No. 4821, locality 7, Tallahatta fm., Claiborne,
Iocene.
Bulimina simplex comis, new variety Plate 25, figs. 16a-b

Test small, fusiform, three-sided, with round edges, about 2%
times as long as broad; chambers in about five or six whorls,
closely appressed, slightly inflated and in three vertical tiers
sutures straight, transverse, depressed; wall smooth, finely per-
forate; aperture small, long, narrow, virguline, nearly terminal.
Length, 0.26 mm.; diameter, 0.0.9 mm. Not common.

This variety differs from the species in the fusiform shape and
the much smaller, narrow aperture. Several specimens were
found at locality 7, all having the same character.

Holotype.— No. 4815, locality 7, Tallahatta fm., Claiborne,
Eocene.
Bulimina socialis Borneman Plate 26, figs. la-b

Bulimina socialis Boynemann, 1855, Zeitseh. Deutsch. Geol. Gesell., vol.

7, p. 342, pl. 16, fig, 10 middle Oligocene, Germany; Cushman, 1937,
Contr. Cushman Lab. Foram. Res., vol. 13, p. 36, pl. 4, figs. 1 a-e
middle Oligocene, Germany; Cushman and Parker, 1947, U, 8. Geol.
Sur., Prof. Paper 210-D, p. 102, pl. 24, fig. 3 middle Oligocene, Ger
many.

126 BULLETIN I31 166

Bulimina sp., Cushman and Applin, 1926, Bull. Amer. Assoc. Petr.
Geol., vol. 10, p. 169, pl. 7, figs. 10-11 upper Eocene, Tex.

Bulimina ovata Nuttal (not d’Orbigny), 1952, Jour. Paleont., yol. 6.
p. 19, pl. 2, fig. 8 lower Oligocene, Mex.

Test oval in side view, about 1.6 times as long as broad, widest
about midway between apical and apertural ends, both ends of
test rounded; test roughly circular in end view; two whorls vis-
ible; chambers slightly inflated, the three chambers of the last
whorl constituting three-fourths of the test; sutures curved,
somewhat depressed; wall finely perforate, smooth; aperture
virguline, without tooth or lip. © Common.

Plesiotype.-—No. 4820, locality 10, Tallahatta fm., Claiborne,
Eocene.

Bulimina trigona Terquem Plate 25, figs. 17a-b, 18a-b

Bulimina trigona Terquem, 1882, Soc. Géol. France, Mém., ser. 3, vol.

2, p- 110, pl. 11 (19), figs. 28, 29 middle Eocene, Paris Basin; Cush-
man and Todd, 1945, Contr. Cushman Lab. Foram. Res., vol. 21, p.
17, pl. 4, fig. 6 Lisbon fm., middle Hocene, Ala.; Cushman and Par-

ker, 194%, U. S. Geol. Sur., Prof. Paper 210-D; p. 91, pl. 21, fies is
middle Hocene, Paris Basin, Ala. '

Test nearly twice as long as broad, flaring rapidly, widest at
the last whorl, apertural end broadly rounded, initial end: more
sharply rounded; chambers moderately inflated, increasing rap-
idly in size and height as added, the last whorl making up about
two-thirds of the test; sutures transverse, depressed; wall finely
perforate, smooth; aperture virguline, in a deep oval depression ;
nc tooth or lip observed. Length (fig. 18), 0.38 mm.; maximum
diameter, 0.23 mm. Common.

The two figures display possible megaspheric and microspheric
individuals. They are very similar in general. The dimen-
sions of- the specimen in figure 17 are: length, 0.39’ mm. ; max-
imum diameter, 0.19 mm.

Plesiotype.—No. 4822 (fig. 17, megaspheric specimen) ; plesio-
type No. 4823 (fig. 18 microspheric specimen), locality 14, Lisbon
fm., Claiborne, Eocene.

Genus VIRGULINA d’Orbigny, 1826
Virgulina diboliensis Cushman and Applin Plate. 26, figs. QYa-b
Virgulina dibollensis Cushman and Applin, 1926, Bull. Amer. Assoc.
Petr. Geol., vol. 10, p. 168, pl. 7, fig. 7 upper Eocene, Tex.; Cushman,
1932, Contr. Cushman Lab, Foram. Res., vol. 8, p. 21, pl. 3, fig. 14
upper Hocene, Gulf Coastal Plain; 1937, Cushman Lab. Foram. .tes
Special Puol. 9, p. 7, pl. 1, fig. 20 (not 21, 22, see V. dibollensis sub-

167 STAVE CREEK FORAMINIFERA: BANDY ile

transversalis, nu. var.) Hocene, Tex.

Test elongate, slender, slightly twisted, somewhat compressed
laterally, 4 or 4% times as long as broad; edges rounded ; early
chambers vaguely triserial and spiral, later ones biserial, the last
three or four making up the last half of the test ; sutures indistinct,
flush or very slightly depressed. curved and_ strongly. oblique ;
periphery little lobulate; wall smooth, finely perforate; aperture
elongate, narrow. Length, 0.50 mm.; breadth, 0.14 mm.; thick-
ness, 0.08 mm.

Plesiotype—No. 5068, locality 58, Jackson, Eocene.

Virgulina dibollensis subtransversalis, new variety Plate 26, figs. 10a-b

Virgulina dibollensis Cushman, 19387, Cushman Lab. Foram. Res., Spe-
cial Publ. 9, pl. 1, figs. 21, 22 (not 20) upper Eocene, Texas, La,
Test elongate, slender, about four times as long as broad, some-
what compressed laterally, twisting about 90°, broadest near the
apertural end; early few chambers in a high triserial spire, quickly
becoming biserial, the last four or five making up half of the test;
edge round; sutures nearly transverse, usually flush; median
sutures tending to be in a nearly vertical line; periphery smooth,
very slightly lobulate; wall smooth, finely periorate; aperture

clongate, extending well up on the last septal face. Length,
0 47 mm.; breadth, 0.14 mm.; thickness, 0.08 mm. — Rare.

The more nearly transverse septa and the greater twisting of
this form distinguish it from I”, dibollensis Cushman and Applin.

Holotype—No. 50609, locality 7, Tallahatta fm., Claiborne,
locene.
Virgulina polymorphinoidea, new species Plate 26, figs. 13a, b

Test elongate, compressed laterally, rather slender, sides and
edges nearly parallel, about three times as long as broad; early
chambers high-spired triserial, most of the test biserial, with six
er seven pairs, little if at all inflated, broader than high, over-
lapping considerably ; sutures moderately curved, slightly depres-
sed, more so in the later part, strongly oblique to the periphery ;
wall smooth, finely perforate; aperture elongate, virguline, nearly
vertical, extending from the base to the top of the last septal
face, without cefinite lip. Length, 0.51 mm.; breadth, 0.15 mm. ;
thickness, 0.09 mm, Rare,

This species differs from I”. dibollensis Cushman and Applin
(1926, Bull. Amer. Assoc. Petr. Geol., vol. 10) in having parallel

136 BULLETIN 131 168

sides throughout most of the length rather than tapering and in
being relatively broader.

Holotype-—No. 5067, locality 14, Lisbon fm., Claiborne,
rocene.

Genus BULIMINELLA Cushman, 1911

Buliminella biformata, new species Plate 26, figs. Za-b

lest biformed, elongate, slender, 2% or 3 times as 10mg as
vroad, early part tightly coiled, with small and closely appressea
chambers, later portion of about two or three whorls, abruptly
ana strongly inflated and enlarged; chambers in about hve or
six whorls, oblique to the axis; sutures flush with the surtace im
the early closely appressed portion, depressed in the later, 1n-
fated part; wall smooth, finely pertorate; aperture large and
virguline, with slight lip. Length, 0.51 mm. ; maximum diameter,
0.19 mm. Common.

This species is distinguished by the biformed character.

Holotype.—No. 4816, locality 58, Jackson, Eocene.
Buliminella longicamerata, new species Plate 26, figs. 8a-c

Test fairly large, subfusiform, greatest width somewhat above
the middle; chambers elongate, inflated, about four to a whorl
the chambers of the last whorl and one-half making up nearly
the entire test; sutures oblique, curved, depressed; wall smooth, -
finely perforate; aperture rather small, virguline, extending from
the base of the last septal face onto the summit of the last chamber.
Length, 0.67 mm.; diameter, 0.26 mm. Rare.

The large, inflated, elongate chambers are distinctive of this
species, :

Holotype.—No. 4824, locality 58, Jackson, Eocene.
Buliminella pulchra (Terquem) Plate 26, figs. 6a-b

Bulimina pulchra Terquem, 1882, Soe. Géol. France, Mém., ser, 3, vol.

2, p. 114, pl. 12, figs. 8-12 Eocene, France.
Biuliminella pulechra Cushman and Parker, (not Tolmachoff), 1957,
Cushman Lab. Foram. Res. Contr., vol. 13, p. 69, pl. 10, figs. 1, 2 Ho-

cene, France; 1947, U. S. Geol. Sur., Prof. Paper 210-D. p. 61, pl.
16, figs. 5, 6 Eoeene, Franee, Germany and London clay, England.

Test small, about three times as long as broad, composed of
about four whorls, the last forming about two-thirds the length
of the test; chambers slightly inflated, about five in the adult
whorl, increasing gradually in size as added; sutures slightly

109 STAVE CREEK FORAMINIFERA: BANDY 139

curved, spiral suture depressed, others nearly flush; wall smooth,
finely perforate; aperture virguline, nearly vertical, extending
from the last suture up into the last septal face. Length, 0.27
mm.; diameter, 0.090 mm. Rare.
This form seems to be smaller and somewhat more slender
than Terquem’s species, but otherwise they are alike.
Plesiotype.—No. 4825, locality 58, Jackson, I¢ocene.

Family CASSIDULINIDZE d’Orbigny, 1839
Genus CASSIDULINA d’Orbigny, 1826
Cassidulina alabamensis, new species Plate 26, figs. 1lla-b

Test equally biconvex, biumbonate, circular in side view;
periphery smooth, keeled; chambers five pairs in adult, recurved
around the central umbo with the inner ends club-shaped ; sutures
narrowly limbate, flush, meeting periphery at an angle; wall
smooth, conspicuously perforate; aperture an elongate comma-
shaped slit extending upward from the base of the last apertural
iace along the plane of coiling a short distance, with a slight lip.
Diameter, 0.27 mm.; thickness, 0.12 mm, |= Not common.

This species most nearly resembles C. reflevra Galloway and
Wissler (1927, Jour. Paleont., vol. 1), from which it 1s distin-
guished by its keel, more compressed character, and smaller
aperture. The smooth keeled periphery also sets this form off
from C. carapitana Hedberg (1937, Jour. Paleont., vol 11).

Holotype.—No. 4829, locality 58, Jackson, Focene.

Cassidulina armosa, new species Plate 26, figs. 12a-b

Test biconvex, biumbonate, subcircular in side view ; periphery
slightly lobulate, not carinate; edge sharply rounded or angled;
chambers short and wide with nearly parallel edges in the last
few chambers, about five pairs in the last whorl; sutures slightly
curved, limbate. slightly depressed particularly near the periphery ;
wall smooth, finely perforate ; aperture an elongate slit at the base
or the last septal face with a projecting flap concealing most of
it. Diameter. 0.34 mm.; thickness, 0.17 mm. Not common.

This species is similar to C. galvinensis Cushman and Frizzell
(i940. Contr, Cushman Lab. Foram. Res., vol. 16) in general
appearance. However, this form does not have the keel and
has a distinctive aperture.

Holotype.—No, 4830, locality 58, Jackson, Eocene.

140 BULLETIN 131 170

Cassidulina subglobosa Brady Plate 26, figs. Ta-b

Cassidulina subglobosa Brady, 1881, Quart. Jour. Mier. Soe., vol. 21,
p. 60 ; 1884, Rep. Voy. Challenger Zool., vol. 9, p. 430, pl. 54, figs.
17a-c Recent, Atlantic and Pacific Oceans; Galloway and Morrey,
1929, Bull, Am. Paleont., vol. 15 (55), p. 40, pl. 6, fig. 6 lower Oligo-
cene, Eeuador; Galloway and Heminway, 1941, New York Acad, Sci.,
Sci. Survey Porto Rico and the Virgin Islands, vol. 3, pt. 4, p. 425,
pl. 32, figs. 2a, b Oligocene, Porto Rico.

Test subglobular, only very slightly compressed on the sides ;
broadly oval in side and edge views; edge broadly rounded;
cliambers few, three pairs in the last whorl, little inflated; sutures
little depressed; surface smooth, wall finely perforate; aperture
a virguline opening extending up onto the last septal face, ob-
liquely to the plane of coiling. Diameter, 0.34 mm.; thickness,
0.26 mm. Common..,

Plesiotype —No. 4831, locality 58, Jackson, Eocene.

Family UVIGERINIDZ Galloway and Wissler, 1927

Genus UVIGERINA d’Orbigny, 1826

Uvigerina cocoaensis Cushman Plate 26, fig. 14
Uvigerina cocoaensis Cushman, 1925, Contr. Cushman Lab. Foram., Res.,
vol. 1, p. 68, pl. 10, fig. 12 upper Eocene, Ala.; 1935, U. S. Geol. Sur.,
Prof. Paper 181, p. 39, pl. 15, figs. 11-13 upper Eocene Ala., Miss.;
1946, Cushman Lab. Foram. Res., Special Publ. 16, p. 28, pl. 5, figs.
15-20 upper Eocene, Ala.

Test large, somewhat elongate conical, greatest width slightly
above the middle; periphery moderately lobulate; chambers rel-
atively few, evenly rounded; sutures slightly depressed, curved ;
wall ornamented with coarse longitudinal coste, usually termin-
ating at the suture lines, becoming lower and less conspicuous in
later chambers, the last chamber in the adult usually smooth;
about 12 to 16 cost in the complete circumference in the widest
region; wall finely perforate; aperture at the end of a short neck
with a phialine lip. Length, 0.66 mm.; diameter, 0.35 mm.
Very abundant.

Plesiotype —No. 5054, locality 58, Jackson, Eocene.
Uvigerina curta Cushman and Jarvis Plate 27 figs. la-b

Uvigerina curta Cushman and Jarvis, 1929, Contr. Cushman Lab, Foram.

Res., vol. 5, p. 18, pl. 3, figs. 13-15 Eocene, Trinidad; Cushman and

Edwards, 1937, Contr. Cushman Lab. Foram. Res., vol. 13, p. 77 pl.
i figs. U2 pS.

Test small, very short and stout, only slightly longer than
broad; chambers few, inflated; sutures depressed, early ones
somewhat obscured by ornamentation; wall of the early portion

171 STAVE CREEK FORAMINIFERA: BANDY 141

with high, thin coste, some independent on each chamber, others
continuous, about 12 coste in circumference, usually obsolete on
the lest chamber or two; aperture with a short cylindrical neck
in a small depression on the apertural face, with a thin phialine
lip, oblique to the axis of the test, aperture sometimes double.
Length, 0.53 mm.; diameter, 0.35 mm. Common.
Plesiotvpe-—No. 5055, locality 58, Jackson, Eocene.
Uvigerina danvillensis Howe and Wallace Plate 26, fig. 15
Uvigerina danvillensis Howe and Wallace, 1952, Louisiana Dept. Cons.,
Geol. Bull. 2, p. 62, pl. 12, fig. 5 upper Eocene, La.; Bergquist, 1942,

Mississippi State Geol. Sur., Bull. 49 (Fossils), p. 76, pl. 8, fig. 1 upper
Kocene, Miss.

Test short, subfusiform, greatest diameter near the midportion,
about two times as long as wide, almost circular in transverse
section; shoulders sloping to round; chambers inflated, regularly
triserial; sutures mostly distinct, depressed, mostly transverse ;
wall ornamented with about 14 high platelike costae, some ex-
tending across two or three chambers, strongest toward the ini-
tial end; wall finely perforate; aperture large, circular, eccen-
tric, at the end of a moderately long neck with delicate phialine
lip frequently broken. Length, 0.81 mm.; diameter, 0.45 mm.
Common.

Plesiotype.—No. 5050, locality 59, Jackson, Eocene.

Uvigerina dumblei Cushman and Applin x Plate 27, figs. 6
Uvigerina dumblei Cushman and Applin, 1926, Bull. Amer. Assoe. Petr.
Geol., vol. 10, p. 177, pl. 8, fig. 19 upper Eoeene, Tex.; Cushman, 1946,
Cushman Lab. Foram. Res., Special Publ. 16, p, 25, pl. 5, fig. 21 up-

per Eocene, Ala.

Test large, fusiform, sides nearly parallel for most of the length,
about twice as long as broad; periphery lobulate; chambers in-
flated, regularly three to a whorl; sutures depressed; wall
ornamented with numerous fine longitudinal coste, often 10 to
12 to a single chamber, partly continuous across sutures, partly
stopping at the sutures ; aperture round, terminal, with short neck,
usually lacking a lip. Length, 0.73 mm.; diameter, 0.33 mm.
Cemmon.

Plesioty pe-—No. 5057, locality 58, Jackson, Eocene.

Uvigerina gardnere Cushman Platen2i, fies 12

Uvigerina gardnerae Cushman, 1926, in Cushman and Applin. Bull,
Amer. Assoe. Petr. Geol.. vol. 10, p. 175. pl. 8, figs. 16, 17 upper Eo-
cene, Tex.; Cushman, 1946, Cushman Lab. Foram. Res., Special Publ.
16, p. 29, pl. 6, figs. 3-5 upper Eocene, Ala.

142 BULLETIN 131 i722

Test of medium size, short fusiform, with sloping shoulders and
blunt initial end; periphery lobulate; chambers inflated, in about
seven regular whorls, eatly chambers with basal ends tending
to overhang the preceding ones; sutures moderately deep; wall
ornamented with longitudinal coste, about 20 around the greatest
circumference, tending to break up into spines in the later portion,
the last chambers with shori, strong spines, not in line; aperture
ai the end of a slightly tapering neck, with phialine lip. | Length,
0.61 mm.; diameter, 0.30 mm. Common.

Plesiotype.—No. 5058, locality 58, Jackson, Eocene.

Uvigerina glabrans Cushman Plate v2ienecee

Uvigerina glabrans Cushman, 1933, Contr. Cushman Lab. Foram. Res.,

vol. 9, p. 18, pl. 1, fig. 28 upper Eocene, Ala.; 1946, Cushman Lab.

Foram, Res., Special Publ. 16, p. 28, pl. 5, figs. 25-26 upper Eocene,
Ala.

Test of medium size. short fusiform, greatest width about the
middle; periphery very little lobulate; chambers in three or four
whorls, somewhat inflated, evenly rounded; sutures little depres-
sed; surface nearly smooth, vaguely costate in the earlier part;
wall finely perforate; apertural end truncate, with a short thick,
evlindrical neck and phialine lip. Length, 0.73 mm.; maximum
diameter, 0.38 mm. Common.

The figured specimen is somewhat shorter than the average
and lacks the traces of coste usually occurring near the apertural
end, There is a gradation from the smooth to the slightly
costate form in the various specimens.

Plesiotype.—No. 5059, locality 58, Jackson, Eocene.

Uvigerina microspinosa, new species Plate 27, figs. 7a-b
Test elongate conical, sides subparallel, tapering gradually
toward the subacute apex, rounded in transverse section;
shoulders sloping; chambers regularly triserial, spiral, somewhat
inflated, early chambers wider than high, later chambers higher
than wide; wall finely perforate; surface finely spinose; aperture
terminal, round, with a short neck, very slight lip. Length, 0.39
mm.; maximum diameter, 0.13 mm. Not common.
Holotype.—No. 5053, locality 58, Jackson Eocene.
Uvigerina nuttalli Cushman and Edwards Plate 27, fig. 4
Uvigerina canariensis d’Orbigny var. Nuttall, 193°, Jour. Paleont., vol.
6, p. 22, pl. 5, fig. 9 holotype, lower Oligocene, Mex.

Uvigerina nuttalli Cushman and Edwards, 1938, Contr. Cushman Lab.
Foram, Res., vol. 14, p. 82, pl. 14, figs. 5-5 Oligocene, Mex.

073 STAVE CREEK FORAMINIFERA: BANDY 143

Test 2 to 2% times as long as broad, tapering, greatest breadth
toward the apertural end which is usually somewhat truncate
or rounded; chambers slightly inflated, regularly triserial, increas-
ing rapidly in size as added; sutures little depressed; — wall
ornamented with very low, longitudinal coste, in part continuous
ever the sutures, about 10 visible on one side of the test, variable
in strength; aperture round, at the end of a short, tubular neck
with a phialine lip, the neck fitted into a depression in the outer
wall. Length, 0.68 mm. ; diameter, 0.36 mm. Common.

The figured specimen may be a microspheric form of U. vicks-
burgensis. Figures 4 and 5 in Cushman and Edward's paper
(cited above) are scarcely distinguishable from the type figure
of U. vicksburygensis reproduced in the same publication (pl. 13,
fig. 10). It seems possible that U7. nuttalli may be a synonyn of
U. vicksburgensis.

Plesiotype.—No. 5060, locality 63, Red Bluff. lower Oligocene.
Uvigerina topilensis Cushman Plate 27, fig. 8

Uvigerina topilensis Cushman, 1925, Contr, Cushman Lab. Foram. Res.,

vol. 1, p. 5, pl. 1, figs. 5 a-b upper Hoeene, Mex.; 19385, U. S. Geol.
Sur., Prof. Paper 181, p. 41, pl. 16, fig. 4 upper Eocene Tex.; Berg-

quist. 1942, Mississippi State Geol, Sur., Bull. 49 (Fossils), p. 78,
pl. 8, fig. 5 upper Eocene, Miss.

Test elongate fusiform, broadest near the middle, apex and
apertural end rounded; chambers in the early part regularly tri-
serial and spiral, in the later part staggered, triserial and inflated ;
sutures depressed; wall finely perforate ; surface ornamented with
about 10 coste, progressively decreasing in height toward the
apertural end of the test and not continuous from one chamber
to another, the last few chambers smooth; the coste in the early
part sometimes projecting backward in_ platelike processes ;
aperture with a very narrow cylindrical neck, lip unknown.
Length, 0.97 mm.; maximum diameter, 0.35 mm. Common.

Plesiotvpe.-—No. 5061, locality 58, Jackson, Eocene:

Uvigerina vicksburgensis Cushman and Ellisor Plate 27, fig. 5
Uvigerina vieksburgensis Cushman and Ellisor, 1951, Contr. Cushman
Lab. Foram. Res:, vol. 7, p. 54. pl. 7, figs. 7 a. b Oligocene, Tex.;
Ellisor, 1933, Bull. Amer. Assoc. Petr. Geol., vol. 17 pl. 3, figs. 10 a, b;
Cushman and Edwards, 1938, Contr. Cushman Lab, Foram. Res., vol.
14, p. 76, pl. 13, figs. 10, 11 lower Oligocene, Gulf Coastal Plain and
Alazan clay, Mex.; Cushman and Todd, 1948. Contr. Cushman Lab.
Foram. Res., vol. 24, p. 7 (list), pl. 1, fig. 9 Red Bluff, Oligocene,
Miss.

t44 S3ULLETIN 131 174

Test oval, about two times as long as broad, nearly circular
in end view, shoulders round; chambers in about four whorls,
regularly triserial, slightly inflated; sutures fairly distinct, little
depressed; wall ornamented by about 24 low; narrow longitud-
inal coste, usually broken at the sutures but some extending
across the sutures; aperture with a short neck, in a depression.
jeneth, 0.55 mm.; diameter, 0.33 mm. Common.

The figured specimen and others of U. vicksburgensis may be
:negaspheric, and U. nuttalli may be the microspheric form of the
same species.

Plesiotype-—No. 5062,. locality 66, Marianna ls, middle
Oligocene.

Genus ANGULOGERINA Cushman, 1927
Angulogerina byramensis (Cushman) Plate 27, figs. 9a-b

Uvigerina byramensis Cashman, 1922, U. S. Geol. Sux, Prof. Paper
129, pp. 95, 133, pl. 18, fig. 5 Oligocene, Miss.

Angulogerina byramensis Ellisor, 1933. Bull. Amer. Assce. Petr. Geol.
vol. 17, pl. 3, fig. 16; Cusiman and MecGlamery, 1942, U. S. Geol.
Sur., Prof. Paper 197-B, p. 72, pl. 6. figs. 4-10 Vicksburg, Oligocene,
Ala; Cushman and Todd, 1946, Contr. Cushman Lab. Foram. Res.,

vol. 22, p, 95 Byram marl, Vicksburg, Oligocene, Miss.

Test small, fusiform, conical in the early part, subtriangular
in the later part, initial end pointed; chambers in about three
whorls, moderately inflated; sutures depressed; surface orna-
mented by about 30 longitudinal coste, excepting for the last
chamber which is typically smooth, usually costate; costa rather
thin and sharp, not passing over the sutures; the final chamber
larger than the rest, inner side concave, the other: two sides
slightly convex, resulting in a subtriangular transverse section ;
«perture oval, with a short oval neck‘and:a slight lip. | Length,
0 30 mm.; diameter, 0.15 mm. © Common, ;

The variations of this form are well illustrated by Cushman
and McGlamery (1942, see reference in synonymy):

Holotype-—No. 4784, locality 62, Red Bluff clay, lower
Oiigocene.
Angulogerina danvillensis: Howe and Wallace Plate 27. figs. 10a-b

Angulogerina danvillensis Howe and Wallace. 1932. Louisiana Dept.
Cons., Geol. Bull. 2, p. 56, pl. 12, fig. 2 Jackson, Eocene, La.; Berg-
quist, 1942, Mississippi State Geol. Sur., Bull 49, (Fossils). p. 81, pl. 8,
figs. 16, 17 Yazoo clay, upper Eocene Miss.

Test elongate, fusifcrm, the early part conical and trochoid, the

adult portion evolute and composed of triangular chambers, tend-

175 STAVE CREEK FORAMINIFERA: BANDY 145

ing to be uniserial; chambers in about five whorls; early cham-
bers slightly inflated and covered with rather coarse, high,
longitudinal coste, which do not cross the sutures, the later
chambers more loosely arranged with costae on all chambers,
though less conspicuous on the last one; sutures depressed ; wall
very finely perforate; aperture a_ circular opening at the end
of a fairly long neck with phialine lip. Length, 0.45 mm.;
width, 0.17 mm. Common.
Plesiotype.—No. 4785, locality 61, Red Bluff, lower Oligocene.
Angulogerina vicksburgensis Cushman Plate 27, figs. 12a-b
Angulogerina vicksburgensis Cushman, 1985, “Contr. Cushman Lab.
Foram, Res., vol. 11, p.: 33, pl.°5, figs. 3, 4 Vicksburg, Oligocene, Miss.;

1945, Contr. Cushman Lab, Foram. Res., vol. 21, p. 67, pl. 10, fig. 27
— Oligocene, Ala., Miss., Oligocene and Eocene, Cuba.
ee 5 ’ ’ 5

Test small, elongate, 2% to 3% times as long as broad, sub-
triangular in end view, the earlier portion round; early portion
rapidly enlarging, adult part with nearly parallel sides ; chambers
in about six whorls, closely appressed, triserial throughout, little
inflated, increasing little in height in the adult; sutures transverse
and curved, little if at all depressed; wall smooth, finely but
distinctly perforate; aperture terminal, round, with flaring lip
at the end of a long round neck. Total length, 0.45 mm.;
diameter, 0.14 mm. Common.

_ Plesiotype.—No. 4786, locality 61, Red Bluff, lower Oligocene.
Genus TRIFARINA Cushman, 1923
Trifarina wilcoxensis (Cushman and Ponton) Plate 27, figs. lla-b
Pseudowvigerina wilcozensis Cushman and Ponton, 1932, Contr. Cush-
man Lab. Foram. Res., vol. 8, p. 66, pl. 8, figs. 18 a-b Wilcox, Ko-
cene, Ala.
Angulogerina wilcozensis Cushman and Garrett, 1939, Contr, Cushman
Lab. Foram. Res., vol. 15, p. 84, pl. 14, figs. 24, 25 Wilcox, Eocene,

Ala.; Toulmin, 1941, Jour. Paleont., vol. 15, p. 599, pl. 80, fig. 30
Wileox, Eocene, Ala.

Test small, elongate, 1% to 2% times as long as wide, trihedral,
Lluntly pointed at both ends, the sides nearly parallel and slightly
concave; edge narrow, with two short keels with a narrow
channel between, especially in the early part; chambers little
inflated, triserial in first half, uniserial in the later half; sutures
obscure excepting the later transverse ones which are slightly
depressed and strongly curved; early sutures limbate, curved,
arched upward and outward, with transverse lines or pores; wall
finely perforate; aperture terminal, at the end of a short neck,

146 BULLETIN 1231 170

with slight lip. Length, 0.45 mm.; diameter, 0.17. mm.
Common.

The specimens from Little Stave Creek appear to be identical
with those figured from the Wilcox, In perfect specimens, the
last two or three chambers are uniserial, hence this species is
piaced in Trifarina. The main difference between this species
and Trifarina bradyi Cushman (1923, U. S. Nat. Mus., Bull. 104)
is the canaliculate character of the edges of this form.

Plesiotype.—No. 4787, locality 7, Tallahatta fm., middle Eo-
cene.

Family PLEUROSTOMELLID Reuss, 1860

Genus NODOSARELLA Rzehak, 1895
Nodosarella annulospinosa, new species Plate 27, fig. 14a-b

Test elongate, nearly straight, with inflated chambers and de-
pressed sutures, and with one row of short, spinose processes
projecting backward from the lower part of each chamber;
aperture at the end of a long, round neck, with lip and small
tooth. Length, 0.64 mm.; diameter of last chamber, 0.13 mm.
Iare.

This species somewhat resembles Dentalina adolphina
d’Orbigny (1846, Foraminiferes fossiles du bassin tertiaire de
Vienne, p. 51, pl. 2, figs. 18-20) but differs in the less constricted
sutures, one line of spines, as well as in the toothed aperture.

Holotype.—No. 4955, locality 58, Jackson, Eocene.
Nodosarella cocoaensis (Cushman) Plate 27, figs. 15a-b

Nodosaria cocoaensis Cushman, 1925, Contr. Cushman Lab. Foram. Res,,
vol. 1, p. 66, pl. 10. figs. 5, 6 upper Eoeene, Ala.

Dentalina cocoaensis Cushman, 1927, Jour. Paleont., vol. 1, p. 153, pl.
24, fig. 14 Eocene, Mex.; 1935, U. S. Geol, Sur., Prof. Paper 181, p.
NOS Woe Sh shes Se

Ellipsonodosaria cocoaensis Cushman, 1939, Contr. Cushman Lab, Foram.
Res., vol. 15, p. 68, pl. 11, figs. 27, 33 Eocene, (submarine core) off
the eastern coast of N. A.; 1946, Cushman Lab, Foram. Res., Spe-
cial Publ. 16, p. 30, pl. 6, fig. 10 upper Eocene, Ga., S. C., Ala.,
Miss., Tex.

Test elongate, very slender, slightly curved, gradually taper-
ing to an apiculate apex; chambers in the early part closely ap-
pressed, not inflated, those in the later portion less appressed and
somewhat inflated, 11 to 14 in the adult; chambers nearly as
broad as long in the early part, becoming much longer than broad
in the later portion; sutures distinct, of clear shell material, flush

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in the early part and slightly depressed in the later portion; wall
smooth, finely perforate ; aperture an elliptical opening at the end
of a short neck, with flaring lip. Length, 1.33 mm.; diameter of
last chamber, 0.15 mm. Common.

Inasmuch as the genotype of both E/lipsonodosaria . Silves-
iri, 1900, and Nodosarella Kzehak, 1895, are congeneric, this
iorm is placed under the latter which has priority.

Plesiotype.—No. 4956, locality 58, Jackson, Eocene.

Genus ELLIPSOLAGENA Silvestri, 1923
Fllipsolagena alabamensis, new species Plate 27, figs. 16a-b

Test monothalamous, ovate in side and end views; wall smooth,
rather finely perforate, with coarse scattered puncta around the
aperture, probably due to parasitic organisms; aperture terminal,
crescentic, higher on the convex side, with little if any lip, Length,
0.49 mm.; breadth, 0.460 mm.; thickness, 0.42 mm. Rare.

Holotype.—No. 4881, locality 60, Jackson, ocene.

Family NUMMULITIDA® Reuss, 1861
Genus OPERCULINA d’Orbigny, 1826
Operculina cf. ocalana Cushman Plate 27, figs. 13a-b
Operculina ocalana Cushman, 1921, U. 8. Geol. Sur., Prof. Paper 128,
p. 129, pl. 19, figs. 4, 5 Ocala |s., upper Eocene, Ga., Fla.; 1935, U.
S. Geol. Sur., Prof. Paper 181, p. 32.

Test planispiral, tending to be evolute, coils touching, much
compressed, composed of about three coils, the last with about
16 to 18 chambers; sutures raised, rounded, the area between
sutures concave and smooth; chambers three to four times longer
than wide; central area of the test umbonate but not knobbed ;
periphery somewhat raised by a slight thickening in which the
raised sutures terminate, Diameter, 1.78 mm.; thickness, 0.16
mm. Not common.

Very few specimens occur in the material from locality 58,
and the figured specimen is the nearest entire individual found.
The surface lacks the knobbed ornamentation of the type.

Plesiotype.—No. 4975, locality 58, Jackson, Eocene.

148 BULLETIN 131 178

LIS®. OF NEW FORMS

NEW GENERA

Page
PAIS LOT UG CHATCOUUGL co sece-cree ck ccc herr ee acre ei cacen sissies Bere coer SLUG,
ARO UCULDIUGU Ecce eee oa at eee ees : 91
DVS CORD UUUE CO) teccmnce ee 99
Ai UU GLIA iS CULL he ee ak ct ete Be lance ne One Se
AMMObDGCUITES FUATUPOTIMAS cocci eccentric

Ammobaculites pseudorostratus
Ammobaculites subagglutinans

A MUIMODAGCILULES: VY ME OOCTUSUSI Ore renter pete eres ee rena ed oe eens

PNET ARORA AMIN, (A ORNIGIUROAY OD. See ess oer tessarorereereae aco oo byseneeanet fobs eetperevenceeeee erates ok

Bolivina denticulaca

BOW GUUOR CULT C1 et ce Cees ON ee 0 eS A Reon ee en ee

IB OVLUING “SOUEDTOSG: - acetate eee Mec octane eens ae at tee nase ere
Bolivina striatellata. ........

Buiiminella biformata

PB UUUIVUTVE ULC ALONUG UC CNTLCN CHU se eee te ee ee et Re eee
Cassidulina alabamensis

COSStAIUNG CT INOS Ree Pe cee IE ah Ber ee ee a ee
Ceratobulimind (CEeratocanerts ) SCCM AC ooccccccccccccccssccccccsseseeseeesseee Se ctenaanauteerns 85.
CEOCADE S ACT USS UAUS CUS arene OA. te OR Ee RON ae RE RN ee 104
CUD UELME S MONAITALT AUS see acs ee ee ee ne ae yarn re es 106
CUD BCLMES CCUG GULCTUSUS eres resect eoIe raare e ont ee 110
GUD UCU SHUT AUTCOLAUS YR 8c escct ents tcaatontrorssk no ecttiaciecn saeco ea lil
CUD VOUT SUD TUG TUS ears a ae occ Ia acre eee era ee 94
Cibicidina walla, 95
COT MUS PURGUUSD OT GISUS, x. recess cera ee ca ser toes ros RR Oe eee 17
DUsCOnOUS SCAU GNGUECTNUSUS a. t cei arse ae 97
Discorbitura dignata 100
Dorothia heteroclita ......... Se ee ek te er ee rer i OU en he.
UP SOUUG ENG GLAD GAN CI SUS) ee en ee 147
Lponides lisbonensis 87
Fissurina crassicarinata 64
LAD CULV GUL VOTUCE OVE), eee crete Re aero ae 44
GUGETY WIGS SLOMEN SUS Ie eee EU Ne Rc che ON cee, Ee i ee 29
GlODLGETINGSINGrEDESCENS >= tk Be Le ot eee te RE 120
GLOOLG CTATGRS DULL OUT fil CLC gree ee ee cee 122
Globigeninellay psCudouoluutds pan en een eee 123
Globigerinoides pseudodubia cc i. PALS
GA MID CLUE PIGNSTOUETISUSY 2 Bec sci S Ren ene fat. ae ee tea, 124
Gatlin estGvensus Sotto ER RIAN coke cu hoe dear A cee ee 69
GYrolding OCS@) ene sebiheterdetescacte teaches cn aia tee 90
EL aplopuniag mova es tOulanauvesSus rece ee eer ee 26
TSG GNGMEULUD EUG Ue 2 ene een er ent eee Oe Ca eee D5
Lagena humerifera ... edeees). 8: Malicad et) Levit palin ee ue Coe te ae tenes 56
TE UG CTW LUA COD Pace oat DR ee er Peet err hes ee a ee eee a 57
MS OIMUGHCISUIVG: ID UGCOMG CD Gas esrace cece ote ore te ae, eran a ee ae en 82
TL UIUG UUs, SIUD CT OS S Cee eee rk oe IM Rt eR Ee ere 64
Loxostomum baculum 131
Loxostomum serrula Haut
Marginulina crossota 45
Marginulina digitalis 46

179 Srave CREEK ForaMINirera: BANDY

Marginulina hantkent
Marginulina stavensis
Massilina yazooensts
Nodosarella annulospinosa
Nonion rolshausent
INIOTUUOT SU@UCTUSUS) cre ercste sr sncesnscctoninns
Nonion tallahattensis
Nonionella longicamerata 0.0... BP aA EP ses Sea ee, MA cnt Wnt oe sent.
Oolina spherica
Planularia stavensis ...
Planulina submflata
Polymorphina tiosoma
quinqueloculina constans
Quinqueloculina stavensis
Quinqueloculina substriata
Rewusella MOOAYSENSIS ocr
Robulus davisi

Robuls CwglyPNeus occ. eee
Robulus rectidorsatus
Rotalia similis
Rotorbinella packardi
Saracenaria stavenstis % - : a
PON AITEORIEC UA GANUNG TAO NUCTIGHS lta SHS Sot cent eel MU east ance ee Sensaae Ores Pn
SPirOlOCUlANa USDONMENSUS oe. cecescccctscrenqeon ssemeresicctenree he et cree Sere we ater ere Oy
Spiroplectammina gracilenta
Spiroplectammina latior
Spiroplectammina pseudoelongata Doe tie te SONA a TEN Ne re ATE as ae
Triloculina subrotunda. ........
Triloculina subtumidifrons
Uvigerina microspinosa 00... Sateen eed eae et
Virgulina polymorphinoidea ites tee ier tiie ee A aes Sashind sats

NEW VARIETIES

Bulimina simplex comis Men.
Cibicides floridanus diminutivus :
Cibicides pippeni stavensts 0.000.
Cibicides pseudoungerianus lisbonensis
Cibicidina mauricensis subinvoluta. .....
Dentalind COCOAENSIS CPUCUP ETA ooo
DentQUind COOPETENSTS NONAPTCAUUS ..c.cccccccccccccccsssereeseeeeeneesnercenseree
Dimorphina danvillensis subtenuis
Discorbis alveatus stavensis ah
ES COGOUS MCU NOLUCTS IS w STD TUULCTIS herein consrssth metres eanrs lee tts. teamaadteent estes
Globigerina ouachitaensis senilis ...........
Globigerina rotundata jacksonensis
LQG eNG UGEWS STAGENSTS ccc oa
Lagena ouachitaensis alabamensis. ...... a ape
GEO CNUNSULCOLO, SPULGEG oot teal ntctenee
Nonionella jacksonensis spiralis eee mew
EA TVETUUL AO (UIUC ILE LOD) CLDUCUON erceatetieteccreecreetacqsustisheeeebeipiisi Giaccee SP ae eT ee
QuinguelocUlind MAUPICENSTS APOTEAELPANSG coerce crererereessnseennnnenenrnneeeinnneeny
SQVACENATIG OF MACUL MEGUA ecsceeseccsessceserecsecseesiee Bei Pains ee ON
Spiroplectammina alabamensis diminutiva TNA es ire ene a ce ee eo
Textularia dibollensis stavensis
Falvulineria danvillensis GyVOtdtnotdes occ
Valvulineria jacksonensis PerstmUs occ ear tee iit hae: ini eed
Margulina Atbollensis swhtransversauas i. seccscosescwnsseessessmseecocsesmsvessentcssaeeenszesppsteorwnecege

150 BULLETIN 131 180

SELECTED BIBLIOGRAPHY

STRATIGRAPHY
Ceoke, C. W.
1918. Correlation of the deposits of Jackson and Vicksburg ages
in Mississippi and Alabama. Washington Acad. Sci., Jour,, vol.
8, pp. 186-198.
1926. Geology of Alabama, Geol. Sur. of Alabama, Special Report
14, pp. 201-297, ,
Cooke, C. W., Gardner, Julia, and Woodring, W. P.
1943. Correlation of the Cenozoic formations of the Atlantic and
Gulf Coastal Plain and the Caribbean Region. Geol. Soc, Ameri-
ea, Bull., vol. 54, pp. 1713-22.
Gravell, D. W., and Hanna, M. A.
1938. Suvsursace Vertiary zones of correlation through Mississippi,
Alabama, and Florida. Amer. Assoc. Petr. Geol., Bull., vol, 22,
pp. 984-1013,
MacNeil, F. Stearns
1944, Oligocene stratigraphy of southeastern United States. Amer.
Assoc. Petr. Geol., Bull, vol. 28, pp. 1813-1354.
Murray, G. E.
1947, Cenozoic deposits of Central Gulf Coastal Plain. Amer. Agsoe.
Petr. Geol., Bull., vol. 31, pp. 1825-1850.
Smith, R. H., and Toulmin, L. D., Jr.
1944, In Field Trip of the Southeastern Geol. Soc, Tallahassee,
Florida.
Stephenson, L. W.
1928. Major marine transgressions and regressions and structural
features of the Gulf Coastal Plain. Amer, Jour. Sci., ser. 5, vol.
16. pp. 281-298.
PALEONTOLOGY
Bergquist, H. R.
1942. Scott County fossils, Jackson Foraminifera and Ostracoda.
Mississippi Geol. Sur., Bull. 49, pp. 1-146, pls. 1-11.
Cole, W. Storrs
1927. <A foraminiferal fauna from the Guayabal formation in Mea-
ico, Bull. Amer. Paleont., vol. 14, No. 51, pp. 1-47, pls. 1-5.
1928. A foraminiferal fauna from the Chapapote formation in Mex-
ico, Bull. Amer. Paleont., vol. 14, No. 53, pp. 1-33, pls. 1-4.
Cole, W. Storrs, and Gillespie, Ruth
1930. Some small Foraminifera from the Meson formation of Mea-
ico. Bull. Amer. Paleont., vol. 15, No. 57b, pp. 1-23, pls. 1-4,
Cole, W. Storrs, and Ponton, G. M.
1930. The Foraminifera cf the Marianna limestone of Florida, Flor-
ida Geol. Sur., Bull. 5, pp. 19-69, pls. 5-11.
Cushman, J. A.
1920. The American species of Orthophragmina and Lepidocyclina.
U. 8S. Geol. Sur,, Prof. Paper 125-D, pp. 39-105, pls. 12-35.
1922. The Byram calcareous marl of Mississippi and its Foramini-
fera. U.S. Geol. Sur., Prof. Paper 129-E, pp. 79-122, pls. 14-28.
1922. The Foraminifera of the Mint Spring calcareous marl mem-
ber of the Marianna limestone. U. 8, Geol. Sur., Prof. Paper
129-F, pp. 123-152, pls, 29-35.

181 STAVE CREEK FORAMINIFERA: BANDY 151

1923. The Foraminifera of the Vicksburg growp. U. 8. Geol. Sur.,
Prof. Paper 133, pp. 11-71, pls. 1-8.

1925. Hocene Foraminifera from the Cocoa sand of Alabama.
Contrib. Cushman Lab. Foram. Kes., vol. 1, pt. 3, No. 16, pp.
65-68, pl. 10.

1926. Some new Foraminifera from the upper Eocene of the south-
eastern Coastal Piain of the United States. Contrib, Cushman
Lab. Foram-. Res., vol. 2, pt. 2, pp. 29-36, pl. 4.

1928, Additional #oraminijera from the upper Eocene of Alabama.
Contrib. Cushman Lab. Foram. Res., vol. 4, pt. 3, pp. 73-79, pl. 10.

1933. New Foraminifera jrom the upper Jackson Eocene of the
southeastern Coastal Plain region of the United States. Contrib,
Cushman Lab. Foram. Kes., vol. 9, pt. 1, pp. 1-21, pls. 1, 2.

1935. Upper Hocene Foraminiyera of the southeastern United States.
U. S. Geol. Sur., Prof. Paper 181, pp. 1-88, pls. 1-23.

1937. A monograph of the foraminyeral family Verneutlinide.
Cushman Lab. Foram. Res., Special Publ. 7, pp. i-xiii, 1-157,
pls. 1-20.

1937. A monograph of the foraminiferal family Valvulinide, Cush-
man Lab. Foram. Res., Special Publ. 8, pp. i-xiii, 1-210, pls. 1-24.

1937. A monograph of the subfamily Virgulinine of the foramini-
feral family Buliminide. Cushman Lab. Foram. Res., Special
Publ. 9, pp. 1-xv, 1-228, pls. 1-24.

1937. The described American Eocene species of Uvigerina. Contrib.
Cushman Lab, Foram, Res., vol. 13, pt. 3, pp. 74-87, pls. 11-12.

1939. A monograph of the foraminiferal family Nonionide. U.S.
Geol. Sur., Prof. Paper 191, pp. 1-100, pls. 1-20.

1946, A rich foraminiferal fauna from the Cocoa sand of Alabama.
Cushman Lab. Foram. Res., Special Publ. 16, pp. 1-40, 8 pls.

Cushman, J. A., and Applin, Esther

1926. Texas Jackson Foraminifera. Amer. Assoe. Petr. Geol.,

Bull., vol. 10, pp. 154-189, pls. 6-10.
Cushman, J. A., and Garrett, J. B.

1938. Three new rotaliform Foraminifera from the lower Oligocene
and upper Eocene of Alabama. Contrib. Cushman Lab. Foram.,
Res., vol. 14, pt. 3, pp. 62-66, pl. 11.

Cushman, J. A., and Herrick, Stephen M.

1945. The Foraminifera of the type locality of the McBean forma-
tion. Contrib. Cushman Lab, Foram. Res., vol. 21, pt. 3, pp.
55-73, pls. 9-11.

Cushman, J. A., and McGlamery, Winnie

1938, Oligocene Foraminifera from Choctaw Bluff, Alabama. U. 8.
‘Geol. Sur., Prof. Paper 189-D, pp. 101-19, pls. 24-28.

1939, New species of Foraminifera from the lower Oligocene of
ue Contrib. Cushman Lab. Foram. Res,, vol. 15, pt. 3, pp.
45-49.

1942. Oligocene Foraminifera near Millry, Alabama. U. 8. Geol.
Sur., Prof. Paper 197-B, pp. 65-84, pls. 4-7.

Cushman, J. A., and Thomas, N. L.

1929. Abundant Foraminifera of the east Texas greensands. Jour.
Paleont., vol. 3, pp. 176-183, pls. 23, 24.

1930. Common Foraminifera. of the east Texas greensands, Jour.
Paleont., vol. 4, pp. 33-41, pls. 3, 4.

152 BULLETIN 131 182

Cushman, J. A., and Todd, Ruth
1942. The genus Cancris and its species. Contrib. Cushman Lab.
Foram:, Res,, vol. 18, pt..4, pp. 72-94, pls. 17-24.
1943. The genus Pulienia and its species. Contrib, Cushman Lab.
Horam, Res: svol: 195, pt. 15 pp. 123, pls. tk.
1945. A foraminiferal sauna srom the Lisbon formation of Ala-
buma. Contrib. Cushman Lab. Foram. Res., vol. 21, pt. 1, pp.
11-21, pls. 3, 4.
1945. Foraminisera of the type locality of the Moody’s marl
member of the Jackson formation of Mississippi. Contrib. Cush-
man Lab. Foram. Kes., vol. 21, pt. 4, pp. 79-105, pls, 13-16.
1946, A foraminiferal Jauna from the Byram mart at its type lo-
cality. Contrib. Cushman Lab. Foram. Res., vol. 22, pt. 3, pp.
76-102, pls. 13-16.
Davis, Flavy E.
1941. Teatularia from the Texas Tertiary. Jour. Paleost,, vol, 15,
pp. 144-152, pls. 24, 25.
Ellis, Brooks F., and Messina, Angelina R.
1940. Catalogue of Foraminifera. Special Publ. 1-34, Amer. Mus.
Nat. Hist.
Galloway, J. J.. and Morrey, Margaret
1929. A lower Tertiary foraminiferal fauna from Manta, Heualor.
Bull. Amer. Paleont., vol. 15, No. 55, pp, 1-50, pls. 1-6.
Galloway, J. J., and Heminway, Caroline E.
1941. The Tertiary Foraminifera of Porto Rico. New York Acad.
Sci. Surv. of Porto Rico and the Virgin Islands, vol. 3, pt. 4,
pp. 275-491, pls. 1-36.
Gravell, D. W., and Hanna, M. A.
1935. Larger Foraminifera from the Moody’s Branch marl, Jack-
son Hocene of Texas, Louisiana, and Mississippi. Jour. Paleont.,
vol. 9, No. 4, pp. 327-40, pls. 29-32.
Howe, Henry V.
1939. Lowisiana Cook Mountain Mocene Foraminifera. Louisiana
Dept. Cons., Geol. Bull. 14, pp. I-XI, 1-122, pls. 1-14.
1947, Status of micropaleontology in eastern Gulf Region. Amer.
Assoc. Petr. Geol., Bull., vol. 31, pp. 713-730.
Howe, Henry V., and Wallace, William E.
1932. Foraminifera of the Jackson Eocene at Danville Landing on
the Ouachita, Catahoula Parish, Louisiana, Louisiana Dept, Cons.,
Geol, Bull., No. 2, pp. 1-118, pls. 1-15,
Nuttall, W. L. F.
1930. Hocene Foraminifera from Mexico. Jour. Paleont., vol. 4,
pp- 271-293, pls. 23-25.
1935. Upper Hocene Foraminifera from Venezuela. Jour. Paleont.,
vol. 9, pp. 121-131, pls. 14, 15.
Stuckey, Charles., Jr.,
1946. Some Teatularide from the Gulf Coast Tertiary. Jour.
Paleont., vol. 20, pp. 163-65, pl. 29.
Toulmin, Lyman D., Jr.,
1941, Hocene smaller Foraminifera from the Salt Mountain lime-
stone of Alabama. Jour. Paleont., vol. 15, pp. 567-611, pls. 78-82.
Vaughan, T. W.
1928. New species of Operculina and Discocyelina from the Ocala
Cae. Florida Geol. Sur,, 19th Ann, Rept., pp. 155-65, pla.
IU 4

Weinzierl, Laura Lane, and Applin, Esther R.
1929. The Claiborne formation on the coastal domes. Jour. Paleont.,
vol. 3, pp. 384-410, ple. 42-44.

PLATES

PLATE 1 (s)

All figured specimens are catalogued and deposited in the Paleontological
Laboratory, Indiana University.

154 BULLETIN 131 184

ExPLANATION OF PuaTe 1 (5)
Figure Page

1. Spirillina vicksburgensis Cushman Pee eats eeeriees ee ibe
A, ventral view; b, edge view; ¢, dorsal view; < 110; ples-
iotype, No, 5033, locality 63, Red Bluff.
2. Cornuspira lisbonensis, n. sp. 2... 2 ay,
A, side view; b, apertural view; 50; holotype, No. 4858,
locality 30, Lisbon fm.
3. Spiroloculina lishonensis, n. sp. : = (= RTS
A, side view; b, apertural view; c¢, opposite side; X 50;
holotype, No. 5034, locality 21, Lisbon fm.
4. (Quinqueloculina ‘constans; n. ‘sp: ._2 22 eee 18
A, side view; b, apertural view; ¢, opposite side; X 30;
holotype, No. 4989, loeality 47, Yazoo clay.

5. Quinqueloculina harrisi Howe and Roberts. _..-....._..._ 19

> A, side view; b, apertural view; ¢, opposite side; X 50;
plesiotype, No. 4990, locality 21, Lisbon fm.

6. Articulina terquemi Cushman. _——_ pete) VAS)

A, apertural view; b, side view; Xx 50; plesiotype, No.
4794, locality 31, Lisbon fm, x
7. Quinquelocnlina hermosa Cole . 9 ees eae i 19
A, side view; b, apertural view; ¢, opposite side; 40;
plesiotype, No. 4991, locality 20, Lisbon fm.
8. Quinqueloculina mauricensis Howe. ___............._.. 20
A, side view; b, apertural view; c, opposite side; x 50;
plesiotype, No. 4992, locality 20, Lisbon fm.
9. Quinqueloculina mauricensis apertaexpansa, n. var. 20
A, side view; b, apertural view; c, opposite side; x 40;
holotype, No. 4993, locality 31, Lisbon fm.
LOT eernlocuilina pst brett sie is pg eee ee eee ee cee oe 5}
A, side view; b, apertural view; c, opposite side; XX 40;
holotype, No. 5051, locality 47. Yazoo clay.

Buu. AMER. PALEONT. INO} 13d) Pine

Px. 5, Vou. 32

156

Figure
il

6.

cS

10.

BULLETIN 131

EXPLANATION OF PLATE 2 (6)

186

Page

Quinqueloculina mauricensis lisbonensis Cushman and Todd.
A, side view; b, apertural view; ¢, opposite view; X 40;
plesiotype, No, 4994, locality 40, Moodys marl member.
Quinqueloculina stavensis, n. sp. a, ee
A, side view; b, apertural view; ¢, opposite side; X 30;
holotype, No. 4995, locality 46, Yazoo clay.
Quinqueloculina substriata, n. sp. = eae!
A, side view; b, apertural view; c¢, side view; X 50; holo-
type, No. 4996, locality 47, Yazoo clay.
Quinqueloculina yeguaensis Weinzierl and Applin we
A, side view; b, apertural view; c, opposite side; XX 50;
plesiotype, No. 4997, locality 38, Gosport fm.
Quinqueloculina yeguaensis Weinzierl and Applin Bre
A, side view; b, apertural view; ¢, opposite side; X 75;
plesiotype, No. 4998, locality 37, Gosport fm.
Miliola jacksonensis Cushman gE eae rar ae
A, side view; b, apertural view; ¢, opposite side; XX 30;
plesiotype, No, 4954, locality 46, Yazoo clay.
Massilina decorata Cushman bees ei 2 ee oe
A, side view; b, apertural view; X 50; plesiotype, No.
4951, loeality 60, Jackson fm.

plesiotype, No. 4952, locality 46, Yazoo elay.
Triloculina mindenensis Howe. {So
A, side view; b, apertural view; ¢, opposite side; & 50;

plesiotype, No. 5050, locality 31, Lisbon fm.

Triloculina subtumidifrons, n. sp.

A, side view; b, apertural view; e¢, opposite side; XX 75;
holotype, No. 5052, locality 40, Moodys marl member.

20

21

21

22

22

22

24

25

22

23

PL. 6, VOL. 32 Buu. AMER. PALEONT. No. 131, Pu. 2.

a a = — 7
7 aa ed
= ~ A 2 a a
7 : ; 7 *
; ’ > = - =" os oF a ’ ‘4. ee = z ae
4 &, = * bs _ J “ .
- ee

Figure

ele

bo

ol

BULLETIN 131 188

EXPLANATION OF PLATE 3 (7)

Page
Massilina cookel (Cushman ween). eee 24
A, side view; b, apertural view; c¢, opposite side; X 25;
plesiotype, No, 4950, locality 49, Yazoo clay.
Massilina yazooensis, n. sp. nS 2 ee
A, side view; b, apertural view; ¢c, opposite side; X 40;
holotype, No. 4953, locality 47, Yazoo clay.
Haplophragmoides tallahattensis, n. sp. 26
A, side view; b, apertural view; X< 50; holotype, No.
4926, locality 10, Tallahatta fm.
Ammobaculites flariformis) mn. sp. 22 == rel
A, side view; b, apertural view; X 30; holotype, No. 4780,
locality 49, Yazoo clay.
Ammobaculites subagglutinans, n. sp. 1 ee 27
A, side view; b, apertural view; X 30; holotype, No. 4782,
locality 66, Marianna ls.
Ammobaculites- yazooensis; ns (Spi 2
‘ A, side view; b, apertural view; X 40; holotype, No. 4783,
locality 49, Yazoo clay.
Ammobaculites pseudorostratus, n. sp. wae Oe Ae Sees 7 f/
A, side view; b, edge view; X< 30; holotype, No. 4781,
locality 50, Yazoo clay.
Gaudryina stavensis, n. sp Ne Ne ee eae 52 Se S29
A, side view; b, apertural view; X 30; holotype, No. 4893,
locality 64, Mint Spring marl.
Gaudryina gardnere Cushman ee eee ee see Poe a |
A, edge view; b, apertural view; c¢, side view; xX 40;
plesiotype, No. 4891, locality 46, Yazoo clay.
Gaudryina (Pseudogaudryina) jacksonensis Cushman pee 29
A, side view; b, apertural view; X 25; plesiotype, No.
4892, locality 58, Jackson fm.
Dorothia heteroclita, n. sp. fe re ee EIS:
A, side view; b, apertural view; & 40; holotype, No, 4880,
locality 58, Jackson fm.
Liebusella byramensis turgida (Cushman). 30

A, side view; b, apertural view; 25; plesiotype, No.
4938, locality 58, Jackson fm.

Pu. 7, VOL. 32 BuLuL. AMER. PALEONT. No. 131, Pu. 3

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ee
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“shea A

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=)

160 BULLETIN I3I 190

EXPLANATION OF PLATE 4 (8)

Figure Page
1. Listerella petrosa Cushman and Bermudez el Z 31
A, side view; b, apertural view; X 25; plesiotype, No.
4940, loeality 58, Jackson fm. :
2. Karreriella advena (Cushman) . é Seth ee ee
A, side view; b, apertural view; 30; plesiotype, No,
4929, locality 58, Jackson fm.
3. Pseudoclavulina cocoaensis Cushman. _. ap eS DL
A, side view; b, apertural view; X 75; plesiotype, No.
4987, locality 58, Jackson fm.
4. Clavulinoides guayabalensis (Cole) 11a See
A, side view; b, apertural view; XX 25; plesiotype, No.
4857, locality 31, Lisbon fm.
Spiroplectammina alabamensis (Cushman) — —————s=8822
A, side view; b, apertural view; XX 40; plesiotype, No.
5035, loeality 66, Marianna ls.
6. Spiroplectammina latior, n. sp. —_~ ae ty tah haa | ee eS
A, side view; b, apertural view; X 50; holotype, No.
5038, locality 64, Mint Spring marl.
Spiroplectammina gracilenta, n. sp. : 3 eee 3)5)
A, side view; b, apertural view; X 50; holotype, No.
5037, locality 58, Jackson fm,
Spiroplectammina alabamensis diminutiva, n. var. _ - ies Sey
A, side view; b, apertural view; X< 50; holotype, No.
5036, locality 31, Lisbon fm.
9. Spiroplectammina pseudoelongata, n. sp. Ae A ee A
A, side view; b, apertural view; X 40; holotype, No.
5040, locality 47, Yazoo clay.
10. Spiroplectammina mississippiensis (Cushman) a ee 34

on

~]

11. Textularia dibollensis stavensis, n. var. sy

locality 32, Lisbon fm.
12. Textularia diabollensis Cushman and Applin : ee AYE
A, sidé view; b, apertural view; XX 5(; plesiotype, No.
5044, locality 47, Yazoo clay.
13. Textularia adalta Cushman. ; fesse ee St we eee ee 2 )5
A, side view; b, edge view; X 30; plesiotype, No. 5042,
locality 58, Jackson fm.
14. Textularia adalta Cushman — —_ Bee Pee Ree en ere WS 35
A, edge view; b, side view; X 30; plesiotype, No. 5041
locality 49, Yazoo elay.
15. Textularia claibornensis Weinzierl and Applin Bee 5)
A, side view; b, apertural view; xX 40; plesiotype, No.
50438, locality 39, Gosport fm.
16. Textularia distincta (Cushman). ~ Ben ed, are eee es 47/
A, side view; b, apertural view; xX 40; plesiotype, No.
5047, locality 60, Jackson fm.
17. Textularia dibollensis humblei Cushman and Applin id Hoek | 36
A, side view; b, apertural view; XX 50; plesiotype, No.
5045, locality 52, Jackson fm,

No. 131, Pu. 4

Buuu. AMER. PALEONT.

Pu. 8, VOL. 32

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2

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162

10.

11.

12.

13.

14.

15.

16.

i:

BULLETIN 131 192
HXPLANATION OF PLATE 5 (9)
Page
Textularia, hannai Davis) 22202. 28 ee eee 38
A, side view; b, apertural view; XX 50; plesiotype, No.
5048, locality 40, Moodys marl member.
Textularia ouachitaensis Howe and Wallace —......_._._ 38
A, side view; b, apertural view; X 950; plesiotype, No.
5049, locality 58, Jackson fm.
Vulvulina adyena Cushman. ...-4 2) Ue. /) (a2 eee 38
A, side view; b, apertural view; X 40; plesiotype, No.
5070, locality 58, Jackson fm.
Vulvulina ‘advena Cushimiant ss) en eee ee ee eS
A, side view; b, apertural view; X 30; plesiotype, No.
' 5071, locality 58, Jackson fm.
Saracenaria bottcheri) (Reuss) 2 =e eee 39
A, side view; b, apertural view; X< 40; plesiotype, No.
5072, locality 58, Jackson fm.
Saracenaria hatechon GReUSS)0 p85 oS ee Se 39
A, side view; b, apertural view; X 40; plesiotype, No.
5019, locality 58, Jackson fm.
Saracenaria moresiana Howe and Wallace. —.... 39
A, side view; b, apertural view; < 40; plesiotype, No.
59020, locality 58, Jackson fm.
Saracenaria ornatula Cushman and Bermudez. — 40
A, side view; b, apertural view; X 30; plesiotype, No.
9021, locality 58, Jackson fm.
Saracenariavoratulal reriay ns viet Peco 40
A, side view; b, apertural view; X 30; holotype, No.
5022, locality 58, Jackson fm.
Saracenaria jstavensis, ni "sp. = ee eee 41
A, side view; b, apertural view; X 40; holotype, No. 5023,
locality 65, Mint Spring marl.
Astacolus danvillensis (Howe and Wallace). _, ot EE ee
A, side view; »b, apertural view; X 30; plesiotype, No.
4795, locality 58, Jackson fm.
Planularia stavensis; “nicsp; .< =.= 2 hs ee eee 43
A, side view; b, apertural view; X< 30; holotype, No. 4980,
‘locality 58, Jackson fm,
Astacolus, sublituus: (Nuttall), 22.2... 2 2 ee ee eee 42
A, side view; b, apertural view; X< 50; plesiotype, No. 4796,
‘locality 58, Jackson fm.
iemieriahelleric ecostifera), (Cole)\, <2) 2. eek ae 42
A, side view; b, apertural view; X 75; plesiotype, No.
4927, locality 58, Jackson fm.
Palmula ‘henbesti’ (Bermudez). 222.22.) ee eee 44
A, side view; b, apertural view; X 30; plesiotype, No. 4978,
locality 58, Jackson fm.
Flabellinella lanceolata, Wad Sie ots cena. Ean Ede 44
A, side view; b, apertural view; a 30; “holotype, No. 4977,
locality 58, Jackson fm.
Hemiecristellaria eladius\ (Philippi) = ee 43

A, side view; b, apertural view; 40; plesiotype, No.
4928, locality 58, Jackson fm.

Pu. 9, VOL. 32 Buu. AMER, PALEONT.

{

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4
Ay

164

oOUr
Figure
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bo

or

10.

Gt

12.

13.

14.

15.

17.

BULLETIN 131

EXPLANATION OF PLATE 6 (10)

194

Page

Marginulina cocoaensis Cushman se Ae a ee ee
A, side view; b, apertural view; X 50; plesiotype, No.
4942, locality 58, Jackson fm.
Frondicularia tenuissima Hantken eels
A, side view; b, apertural view; X 30; plesiotype, No.
4890, locality 58, Jackson fm.
Marginulina crossota, n. sp. a piel) On a ee
A, side view; b, apertural view; X 30; holotype, No, 4943,
locality 58, Jackson fm.
Marginulina multiplicata Bergquist et = Bae rane
A, side view; b, apertural view; XX 40; plesiotype, No.
4947, locality 58, Jackson fm.
Marginulina Inevincenla Cushman and Rermudez. fA BES...
A, side view; b, apertural view; X 50; plesiotype, “No.
4946, locality 58, Jackson fm.
Marginulina cee Tl Spi wale. Ae. Seen ee
A, side view; b, apertural view; x 40; holotype, No. 4944,
‘locality 58, Jackson fm.
Marginulina jacksonensis (Cushman and Applin} aes Ae
A, side view; b, apertural view; X 30; plesiotype, No.
4945, locality 58, Jackson fm.
Marginulina stavensis, n. sp. —-~ dat A hho te
A, side view; b, apertural view; «K 40; holotype, No. 4949,
locality 58, Jackson fm.
Marginulina hantkeni) nw. ....22-222"5 2 32 | eee eee
A, side view; b, apertural view; 40; plesiotype, No.
4948, locality 58, Jackson fm.
Glandulina conica Neugeboren (megaspheric form) ae
A, side view; b, apertural view; X 50; plesiotype, No.
4894, locality 58, Jackson fm.
Glandulina conica Neugeboren (microspheric form) ae
A, side view; b, dpertural view; xX 50; plesiotype, No.
4895, locality 58, Jackson fm.
Glandulina elliptica Reuss nese dc tle as ee rr
A, side view; b, apertural view; Ag 50; plesiotype, No.
4896, locality 46, Yazoo clay.
Glandulina laevigata POrbigny. ae epic oeetee heres 8)
A, side view; b, apertural view; X 75; plesiotype, No.
4897, locality 58, Jackson fm.
Glandulina occidentalis Cushmar fo ae Ee
A, side view; b, apertural view; X 50; plesiotype, No-
4898, locality 46, Yazoo clay,
Glandulina) yovata’) Cushman.) 2-2 ee eee eee x
A, side view; b, apertural view; x 50; plesiotype, No.
4899, locality 46, Yazoo clay.
Dentalina acuta @’Orbigny sate aud. eA ee a
A, side view; b, apertural view; X 25; plesiotype, No. 4860,
locality 58, Jackson fm.
Dentalina cf. communis d’Orbigny. - tne ore ete
A, side view; b, apertural view; xX 40; plesiotype, No.
4862, locality 60, Jackson fm;

45

di

46

46

47

48

46

48

48

49

49

49

50

50

52

:. VOL. 32 Buu. AMER. PALEONT. No. 131, Pu. 6

17.

18.

19.

20.

PLATE 7

Lagena humerifera, n. sp.

Side view; X 110; holotype,

Spring marl.
Lagena sulcata spirata, n. var.

Holotype, No. 4935; 110;

Lagena wallacei, n. sp.

Holotype, No. 4936; x 155 locality 64, “Mint ‘Spring n

Oolina spherica, n. sp. ——
Holotype, No. 4976. x 50;

(11)

locality 7, Tallahatta fm.

loeality 58, ‘Jackson fm,

No. 4933, locality 64, Mint

var.

166

Figure

10.

Hale

12.

13.

14

BULLETIN 131

EXPLANATION OF PLaTE 7 (11)

Page

Dentalina cooperensis nonapicalis, n. var. _.....
A, side view; b, apertural view; X 30; holotype, No. 4863,
locality 58, Jackson fm.
Dentalina cocoaensis crucifera, n. var. -..-------------
A, side view; b, apertural view; > 40; holotype, No. 4861,
locality 58, Jackson fm.
Dentalinacucarensis) (Cole: (Eee
A, side view; b, apertural view; XX 50; plesiotype, No.
4864, locality 58, Jackson fm.
Dentalina vertebralis albatrossi Cushman. —
Side view; X 15; plesiotype, No. 4868, locality 58, Jack-
son fm.
Dentalina ‘soluta Reuss: | 23... ee ee eee
A, side view; b, apertural view; X< 30; plesiotype, No.
4867, locality 58, Jackson fm.
Dentalinavindfherens) (ews: es ee ee eee
A, side viev b, apertural view; XX 40; plesiotype, No.
4865, locality 63, Red Bluff,
Dentalina jacksonensis (Cushman and Applin).,
A, side view; b, apertural view; X 40; plesiotype, No.
4866, locality 58, Jackson fm.
INodosariay clobiferal ((Batsch)) 22 ee ee ee
A, side view; b, apertural view; x 50; plesiotype, No.
4957, locality 7, Tallahatta fm.
INodosariasct. (pyrnlasd2O bi gtiiy yee ee
A, side view; b, end view; X 50; plesiotype, No, 4961,
locality 58, Jackson fm.
INodosaria) cf. longiscata id. Orbieny, 2
Side view; X 40; plesiotype, No. 4960, locality 58, Jack-
son fm.
Lagena: -gracilicostas Reuss: 22) 2.200 2a ee eee
A, side view; b, apertural view; X 110; plesiotype, No.
4930, locality 58, Jackson fm.
Lagena ouachitaensis alabamensis, n. var...
A, sWle view; b, apertural view; X 75; holotype, No.
4934, locality 30, Lisbon fm.
iINodosariamlatejugata. (Girmibeliy ee eee ce eee
A, side view; b, apertural view; x 40; plesiotype, No.
4958, locality 58, Jackson fm.
Nodosaria, latejugata (Gumbel; 2 0 ee eee
A, side view; b, apertural view; x 50; plesiotype, No.
4959, locality 65, Mint Spring marl.
Lagena Penis stavensin: NS VIS, on ee ee
A, side view; b, apertural view; X 75; holotype, No. 4932,
locality 58, Jackson fm.
Lagena elliptica, n. sp. Bad ae gc

Side view; X< 110; holotype, ‘No. 4931, ‘locality | 10, Talla-
hatta fm.

(Continued on previous page)

52

51

52

54

53

52

53

54

55

55

56

57

54

54

56

55

No; 13d Pri

BuLu. AMER. PALEONT.

PL. 11, Vou. 32

PLAGE (2)

168

Figure

bo

Oo

a |

10.

iil,

BULLETIN 131

=]

EXPLANATION OF PLATE 8 (12)

Robulus alato-limbatus (Giimbel). ~~ wt bk
A, side view; b, edge view; XX 50; plesiotype, No. 5003,
locality 10, Tallahatta fm.
Robulus,_carolinranusyG@ushinant) ee
A, side view; b, edge view; > 30; plesiotype, No. 5004,
locality 60, Jackson fm.
Robulus) convergens (Borneman) 2. — ———————
A, side view; b, edge view; > 50; plesiotype, No. 5005,
locality 60, Jackson fm,
Robulus! davisi), nm. spy = ae ee
A, edge view; b, side view; X 50; holotype, No. 5006
locality 58, Jackson fm.
Robulus reetidorsatus, new Species. = = =
A, edge view; b, side view; X 25; holotype, No. 5013, lo-
cality 58, Jackson fm.

eality 58, Jackson fm.
Robulus euglypheus, n. sp._

locality 58, Jackson fm.
Robulus limbosus (Reuss), = eee
A, side view; b, edge view; 50; plesiotype, No. 5010
locality 58, Jackson fm.
Robulus pseudovortex Cole es oo iadod Seat ee ee
A, side view; b, edge view; 30; plesiotype, No. 5012
locality 58, Jackson fm,
Robulus pseudovortex Cole _... Lt hf
A, side view; b, edge view; X 30; plesiotype, No. 5011
locality 59, Jackson fm.
Robulus vicksburgensis (Cushman). 2a
A, side view; b, apertural view; xX 40; plesiotype, No.
5015, locality 65, Mint Spring marl.

198

98

59

62

60

59

61

61

61

Pu. 12, Vou. 32 . Buu. AMER. PALEONT. No. 131, Pu. 8

PLATE 9 (13)

170

10.

Mile

13.

14.

BULLETIN 131 200

EXPLANATION OF PLATE 9 (13)

Page
Robulus, westermanni (Pipers) EE ————————EE = (iy!
A, side view; b, edge view; X 50; plesiotype, No. 5016,
locality 58, Jackson fm.
Robulus texanus' Cushman and Appliny —-22 = es 63
A, side view; b, edge view; X 40; plesiotype, No. 5014,
locality 58, Jackson fm.
Robulus jugosus Cushman and Thomas —_-------------------- 61
A, side view; b, edge view; X 75; plesiotype, No. 5009,
locality 7, Tallahatta fm.
Sigmoidella plummere Cushman and Ozawa — 66
A, side view; b, apertural view; < 40; plesiotype, No. 5025,
locality 58, Jackson fm.
Lingulina, subcrassa, sp). 8 ——Eee 64
A, side view; b, apertural view; XX 30; holotype, No.
4939, locality 58, Jackson fm.
Fissurina) crassicarinata, ni Sp. 22) =e 64
A, side view; b, apertural view; < 50; holotype, No. 4888,
locality 58, Jackson fm.
Polymorphina lissoma,in. Sp) EEE eee 65
A, side view; b, apertural view; XX 75; holotype, No.
4984, locality 58, Jackson fm.
Polymorphina nuda Howe and Roberts. _... 65
A, side view; b, apertural view; X 75; plesiotype, No.
4985, locality 58, Jackson fm.
Sigemoidella. lisbonensis, n. sp. 9 eco
A, side view; b, apertural view; X 40; holotype, No, 5024,
locality 16, Lisbon fm.
Sigmomorphina costifera Cushman. a CCéT
A, side view; b, apertural view; XX 50; plesiotype, No,
5026, locality 18, Lisbon fm.
Fissurina mauricensis (Howe and Roberts). = té<Ct«~R HS
A, side view; b, apertural view; X 110; plesiotype, No.
4889, locality 14, Lisbon fm.
Guttulina communis (diOrbigny). 22 22 2 eee
A, side view; b, apertural view; XX 40; plesiotype, No.
4921, locality 58, Jackson fm.
Sigmomorphina jacksonensis (Cushman) _..... == sssté—é«~aRST
A, side view; b, apertural view; X 40; plesiotype, No.
5027, locality 58, Jackson fm.
Guttulina byramensis (Cushman). 68

A, side view; b, apertural view; X 40; plesiotype, No.
4918, locality 58, Jackson fm.

ee

Pi. 13, VOL. 32 Buu. AMER. PALEONT. No. 131, Pu. 9

an

4
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Figure

6.

10.

15l,

12.

13.

BULLETIN 131 202

EXPLANATION OF PLATE 10 (14)

Guttulina hantkeni Cushman and Ozawa __..............._ » 69
A, side view; b, apertural view; X 50; plesiotype, No.
4920, locality 58, Jackson fm.
Guattalina, ‘sp. 205 2 No ee eee
A, side view; b, apertural view; X 75; plesiotype, No.
4923, locality 10, Tallahatta fm.
Guttulina. stavensis; n. sp. 2220220 EEE 69
A, side view; b, opposite side; ce, apertural view; X 50;
holotype, No. 4922, locality 15, Lisbon fm.
Raphanulina eibba, (WOrbicny ee eee 70
A, side view; b, apertural view; X 50; plesiotype, No.
4999, locality 58, Jackson fm.
Raphanulina Gnzequalis) (Reuss) ee eee TOs -
A, side view; b, apertural view; RZ 110; " plesiotype, No.
5000, loeality 32, Lisbon fm.
Raphanulina tuberculata, (ZO rbicny. ee
A, side view; b, apertural view; > 50; plesiotype, No.
5001, locality 58, Jackson fm.
Guttulina ‘consobrina, (Hornasini)) 69
A, side view; b, opposite side; ¢, apertural v view; X< 30;
‘plesiotype, No. 4919, locality 12, Lisbon fm.

Nonion advena (Gaskin as aot 71
A, side view; b, edge view; x 75; ‘plesiotype, No. 4962,
‘locality 50, Yazoo clay.
Nonion inexcavatus (Cushman and Applin). — ee 72
A, side view; b, edge view; X 50; plesiotype, No. 4964,
locality 47, Yazoo clay.
Nonion danvillensis Howe and Wallace. 72

A, side view; b, edge view; X 75; plesiotype, No. 4963
locality 58, Jackson fm.
Dimorphina danvillensis subtenuis, n. var. qf
A, side view; b, apertural view; 50; holotype, No. 4869
locality 58, Jackson fm.
Nonion mauricensis Howe and Ellis. _...__.____ | 73
A, side view; b, edge view; X 75; plesiotype, No. 4965
locality 26, Lisbon fm.
Nonion nicobarensis Cushman sed po en
A, side view; b, edge view; 75: plesiotype, No, 4966
locality 58, Jackson fm’

No. 131, Px. 10

BuLu. AMER. PALEONT.

Pu. 14, VOL. 32

FELLAS are Guts)

174 BULLETIN I31 204

EXPLANATION OF Puave 11 (15) _

Figure Page

1. “Nonion planatus ‘Cushman and Lhonas.. TA
A, side view; b, edge view; XX 110; plesiotype, No. 4967,
locality 7, Tallahatta fm.
2° Nonionella;spissa Cushman 2 ———————————EEe 78
A, side view; b, edge view; ¢, opposite side; X 75; plesio-
type, No. 4973, locality 10, Tallahatta fm.
3. INonion “rolshausent,“n- (sp: $2882 eee 74
A, side view; b, edge view; X50; holotype, No. 4968, lo-
cality 36, Gosport fm.
A Nonionellay spissa, (Cushman. = ee ee 78
A, side view; b,-edge view; ¢, opposite side; X 50; plesio-
type, No. 4972, locality 46, Yazoo clay.
5: “Nonion jstavensis;) n: Sp.) ee ee ee 73
A, side view; b, edge view; X 50; holotype, No. 4969,
locality 33, Lisbon fm.
6. Nonionella winniana Boye ———————————————ee 78
A, side view; b, edge view; ¢, opposite side; X 50; plesio-
type, No. 4974, locality 31, Lisbon fm.
Nonionella jacksonensis spiralis, n. sp. eee HELL
A, side view; b, edge view; ¢, opposite side; & 110; holo-
type, No. 4970, locality 9, Tallahatta fm.
8-) Nonionella loncicamerata, me (spy ee 77
A, side view; b, edge view; ¢, opposite side; & 110; holo-
type, No. 4971, locality 7, Tallahatta fm.
9. Hantkenina alabamensis Cushman. _2_ 76
A, edge view; b, side view; X 40; plesiotype, No, 4925,
locality 58, Jackson fm,
10. Cribrohantkenina meccordi (Howe and Wallace) —.- 76
A, side view; b, edge view; X 40; plesiotype, No. 4859,
locality 58, Jackson fm.
11 Nonion itallahattensis, n-ospy os eee eee 73
A, side view; b, edge view; X75; holotype, No. 4882,
locality 10, Tallahatta fm.

ba |

Pu. 15, Vou. 32 Buu. AMER. PALEONT. Nonlout etal

h
—_
fn
a
rd

176

Figure

bo

a |

bo |

BULLETIN 131 206

EXPLANATION OF PLATE 12 (16)

Page
Globorotalia cocoaensis Cushman. _ Sut ake 79
A, ventral view; b, apertural view; c¢, dorsal view; X 950;
plesiotype, No. 4912, locality 58, Jackson fm.
Cancrisiclaibornensis) Howe =o eee 81
A, ventral view; b, apertural view; ¢, dorsal view; X 55;
plesiotype, No. 4826, locality 18, Lisbon fm,
Mamanckita’ ye DUCOMVE xcs i aris SPs ee ee 82

A, dorsal view; b, ventral view; ¢, apertural view; holo-
type, No. 4937, locality 7, Tallahatta fm.
Globorotalia ‘crassata) densa (Cushman) 2 aE 80
A, dorsal view; b, apertural view; ¢, ventral view; X 70;
plesiotype, No. 4913, locality 7, Tallahatta fm.
Pullenia quinqueloba aplata, n. var. — ee oe peers et 79
A, side view; b, apertural view; X 50; holotype, No. 4988,
locality 58, Jackson fm.
@aneriss ‘spite Ae Be oe ee eS SE lead rele =) 82
A, dorsal view; b, apertural view; ¢, ventral view; x 40;
plesiotype, No. 4828, locality 58, Jackson fm.
CancrisNcocodensis, Gusher
A, ventral view; b, apertural view; ¢, dorsal view; X 40;
plesiotype, No. 4827, locality 58, Jackson fm,
Globorotalia, mariannensis) (Cushman) 2 80
A, ventral view; b, edge view; c, dorsal view; X 30; plesio-
type, No, 4914, locality 65, Mint Spring marl.

No. 131, Pu. 12

Buti. AMER. PALEONT.

6, VOL. 32

eer. 1

|

“

178 BULLETIN 131 208

EXPLANATION OF PLATE 13 (17)

Figure
1. Valvulineria octocamerata (Cushman and Hanna), ~~ 84
A, dorsal view; b, apertural view; ¢, ventral view; X 50;
plesiotype, No. 5065, locality 61, Red Bluff.
2. Pseudobulimina glaessneri Howe and Roberts. = ee 85
A, dorsal view; b, edge view; ¢, ventral view; X 50;
plesiotype, No. 4986, locality 33, Lisbon fm.
8. Valvulineria danvillensis gyroidinoides, n. var. 82
A, ventral view; b, apertural view; ¢, dorsal view; X 110;
holotype, No. 5063, locality 7, Tallahatta fm.
4. Valvulineria jacksonensis persimilis, n. var. 83
A, ventral view; b, apertural view; ¢, dorsal view; X 75;
holotype, No. 5064, locality 33, Lisbon fm.
5. Walvulineria texana Cushman and Ellisor —-_______ 84
A, dorsal view; b, apertural view; X 110; plesiotype, No.
5066, locality 61, Red Bluff.
6. Ceratobulimina (Ceratocancris) stellata, n. sp. WW 85
2 A, dorsal view; b, apertural view with covering plate par-
tially removed to show the underlying aperture; ¢, ven-
tral view; X 50; holotype, No. 4832, locality 32, Lis-
bon fm.
7.6 Eponides, ellisore Garrett) 2 oe Eee 86
A, dorsal view; b, apertural view; ¢, ventral view; X 55;
plesiotype, No. 4883, locality 66, Marianna ls.

>)

a

Pr, 17, VOL. 32 Bunt. AMER. PALEONT. No. 131, Pu. 13

PLATE 14 (18)

a

180 BULLETIN I31 210
EXPLANATION OF PLATE 14 (18)
Figure Page
1. Eponides jacksonensis (Cushman and Applin). 87
A, dorsal view; b, apertural view; ¢, ventral view; x 40;
plesiotype, No. 4884, locality 58, Jackson fm,
2. Eponides lisbonensis, new Species) _-— 87
A. dorsal view; b, apertural view; ¢c, ventral view; X 75;
holotype, No. 4885, locality 15, Lisbon fm,
3. Eponides lotus (Gehwacery: : _ ai SOS
A, ventral view; b, apertural \ view ; LP, “dorsal 1 view ; Se 40;
’plesiotype, No. 4886, locality 58, Jackson fm.
4.) 1Gyroidina. obesa, n> Sp: ee ween. \)1)
A, ventral view; b, apertural view; ¢, dorsal view; . x 50;
holotype, No. 4924, locality 60, Jackson fm.
5. Eponides mexicanus (Gushman): Loy RL Ree i, Te ee 88
A, dorsal view; b, apertural view; ¢, ventral view; X 40;
plesiotype, No. 4887, locality 21, Lisbon fm.
6: “Alabamina ‘scitula; n. Sp: 22). Eee eee 92
A, ventral view; b, apertural view; c, dorsal view; X 175;
holotype, 4779, locality 62, Red Bluff.
7. Cibicidina danvillensis (Howe and Wallace) —.... 92

A, ventral view; b, eee view; ¢, dorsal view; x 50;
plesiotype, No. 485 52, locality 58, Jackson fm.

i]
Pu. 18, Vou. 32 BuLuL. AMER. PALEONT. No. 131, Pu. 14

182

Figure

BULLETIN I31 212

EXPLANATION OF PLATE 15 (19)

Page
Rotorbinella, jpackardis. “nn; “sp. eee 90
A, dorsal view; b, apertural view; ¢, ventrai view; X< 30;
holotype, No. 5017, locality 63, Red Bluff.
Rotalia-similis;pnisp,, 22 2
A, ventral view; b, apertural view, the keyhole-shaped de-
pression on the septal face is the result of a boring or-
ganism; c¢, dorsal view; xX 75; holotype, No. 5018, lo-
cality 61, Red Bluff.
Cibicidina mauricensis (Howe and Roberts) — 93
A, ventral view; b, apertural view; c, dorsal view; X 75;
’ plesiotype, No. 4853, locality 30, Lisbon fm,
Cibicidina blanpiedi (@entain): : eae Oil
A, ventral view; b, apertural view; ¢, | dorsal 4 view ; xX iak0y<
plesiotype, No. 4851, eee a Tallahatta fm.
Cibicidina walli, n. sp. e " Bes ee Mee tS
A, ventral view; b, apertural view ; Me ‘dorsal 1 view; X< 50;
holotype, No. "4855, locality 58, Jackson fm.
Cibicidina yazooensis (Cushman), 2222 eee 95
A, dorsal view; b, apertural view; ¢, ventral view; X< 50;
plesiotype, No. 4856, Moodys marl.
Cibicidina mississippiensis (Cushman)... | 93

A, ventral view; b, edge view; c¢, dorsal view; xX 950
plesiotype, No. 4854, locality 58, Jackson fm.

No. 131, Pu. 15

Buu. AMER. PALEONT.

\

PLATE 16 (20)

‘

Figure

BULLETIN 131 214
EXPLANATION OF PLATE 16 (20)
Page
Discorbis alveatus stavensis, n. var. 95

A, ventral view; b, edge view; ¢, dorsal view; holotype,
No. 4870, locality 39, Gosport fm.
Discorbis hemisphzricus Cushman. __-_._.____-_-
A, ventral view; b, edge view; ec, dorsal view; 110
plesiotype, No. 4872, locality 46, Yazoo clay.
Discorbis cocoaensis Cushman and Garrett.
A, ventral view; b, edge view; c, dorsal view; X 50; plesio-
type, No. 4871, locality 58, Jackson fm.
Discorbis mauricensis Howe and Roberts, —__ ——— ee
A, ventral view; b, edge view; ¢, dorsal view; X< 75;
plesiotype, No. 4873, locality 10, Tallahatta fm.
Cibicidina mauricensis subinvoluta, n. var,
A, ventral view; b, edge view; ec, dorsal view; x 110;
holotype, No. 4874, locality 7, Tallahatta fm.
Cibicidinaisubminuensssns vary
A, ventral view; b, edge view; ¢, dorsal view; X. 75; holo-
type, No, 4875, locality 37, Gosport fm,
Discorbis, tallahattensis;, n.) Spy
A, ventral view; b, edge view; ¢, dorsal view; X 75;
helotype, No. 4876, locality 10, Tallahatta fm.

96

97

93

94

97

No. 131, Pu. 16

Buu. AMER. PALEONT.

d 20, VoL. 32

=

a
SA
2
4
Ay

Figure
1.

BULLETIN 131 216

EXPLANATION OF PLATE 17 (21)

Discorbis tallahattensis suknitens, n. var. 98
A, dorsal view; b, edge view; c¢, ventral view; X 75;
holotype, No. 4877, locality 7, Tallahatta fm.
Discorbis yeguaensis Weinzierl and Applin — — 99
A, dorsal view; b, edge view; ¢, ventral view; X< 50;
plesiotype, No. 4878, Lee 14, Lisbon fm.
Discorbitura dignata, n. sp. - Lo ste a ee 100
A, dorsal view; b, edge view; ¢, ventral view ; Bw 75; holo-
type, No. 4879, locality 62, Red Bluff.
Cibicides floridanus diminutivus, Teavatee oe ea
A, dorsal view; b, edge view; c, ventral view; SS 15: holo-
type, No. 4971, Jackson fm.
Anomalina cocoaensis Cushman. —.. ... 101
A, dorsal view; b, edge view; ¢, ventral 1 view; X 50; plesio-
type, No. 4971, Jackson fm.
Anomalina costiana Weinzierl and Applin. — 2 | WW 101
A, ventral view; b, edge view; ¢, dorsal view; x 15; plesio-
type, No. 4789, locality 58, Jackson fm.
Anomalina bilateralis Cuskimcin hee ene - 100
A, dorsal view; b, edge view; ec, ventral view; Wa “40;
plesiotype, No. 4788, locality 59, Jackson fm.

" — age

No. 131, Pu. 17

Buu. AMER. PALEONT.

Pt. 21, VoL. 32

188

Figure
Il.

BULLETIN 131

EXPLANATION OF PLATE 18 (22

Planulina ‘subinflata, n> Sp. 222222 eS
A, dorsal view; b, apertural view; c, ventral view;
holotype, No. 4792, locality 64, Mint Spring mar].

Gibicides*lawi Howe: (22552. See ee
A, dorsal view; b, ventral view; ¢, edge view; X 110;

type, No, 4836, locality 7, Tallahatta fm.

A, dorsal view; b, edge view; ¢, ventral view; X 75;

type, No. 4833, locality 58, Jackson fm.

Cibicides cookei Cushman and Garrett. — ~~.

A, dorsal view; b, edge view; ¢, ventral view; X 40;
type, No. 4834, locality 63, Red Bluff.

Gibicides cia lucidus’ (Reuss)

A, ventral view; b, edge view; ¢, dorsal view;
plesiotype, No. 4838, locality 7, Tallahatta fm.

Cibicides crassidiscus, n. sp. —_—= =

218

x 50;

plesio-

plesio-

A, dorsal view; b, edge view; c, ventral view; X 110; holo-

type, No. 4835, locality 7, Tallahatta fm.

102

103

103

105

104

No. 131, Pu. 18

Buu. AMER. PALEONT.

a
ca
3
S
or
a

PLATE 19 (23)

190

Figure

ile

BULLETIN 131 220

EXPLANATION OF PLATE 19 (23)

Page

Cibicides mimulus, ey Se ae 106
A, ventral view; b, edge 1 view; ¢, , dorsal 1 view ; ANG 15s “holo-
‘type, No. 4839, locality 14, Lisbon fm.
Cibicides truncatus, TSS Pig, Clee aN te Ee oe ial
A, dorsal view; b, edge view; c, ventral view; X 75; holo-
type, No. 4843, locality 21, Lisbon fm.

Cibicides lobatus (d’Orbigny). wipe Ee 105

A, dorsal view; b, edge view; e, ventral view; X 75; plesio-
type, No. 4837, locality 58, Jackson fm.

Cibicides pippeni Conner and Gareate ee _ 106

A, dorsal view; b, edge view; ¢, ventral 9 view ; xX 40; - plesio-
‘type, No. 4841, locality 62, Red Bluff.
Cibicides pippeni Cushman and Garrett. 106
A, dorsal view; b, edge view; ¢, ventral view; X 50; plesio-
type, No. 4840, locality 61, Red Bluff.

ChenRE pippeni stavensis, n. var. _ _ 107
A, dorsal view; b, edge view; ¢, ventral * view ; se "15; “holo-
type, No. 4842, locality 7, Tallahatta fm.

Cibicides pseudoungerianus (Guat aay Soe AES ee 108

A, dorsal view; b, edge view; ¢, ventral view; X 75; plesio-
type, No. 4844, locality 64, Mint Spring marl.

_—:

No. 131, Pu. 19

Buu. AMER. PALEONT.

1. 23, VOL. 32

>

{92

Figure

for)

BULLETIN 131 222

EXPLANATION OF PLATE 20 (24)

Cibicides pseudoungerianus lisbonensis, n. var. — 108
A, dorsal view; b, edge view; ¢, ventral view; xX 75; holo-
type, No. 4845, locality 28, Lisbon fm.
Planulina cocoaensis’ Cushman. = = 112
A, dorsal view; b, edge view; ¢, ventral view; X< 40; plesio-
type, No, 4981, locality 59, Jackson fm.
Cibicides pseudowuellorstorffi Gole Ziiin.02 et) eee SO 109
A, ventral view; b, edge view; ¢, dorsal view; X 75; plesio-
‘type, No. 4846, locality U, Tallahatta fm.
Cibicides sassei Cole. pee ame
A, ventral side; b, edge view; ¢, “dorsal 1 view ; - X50; plesio-
type, No. 4847, locality 14, Lisbon fm.
Gibicides stallahattensis}\n</sp..-2-2 = = Eee 110
A, ventral view; b, edge view; ¢, dorsal view; X 110; holo-
type, No. 4848, locality 7, Tallahatta fm,
Cibicidesiicis vicksburgensis) (Cushiian))) ee ial
A, ventral view; b, edge view; ¢, dorsal view; X 50; plesio-
type, No. 4849, locality 67, Marianna ls.
Cibicides;-westi Howes 0. = 2 29 SS eee 112
A, dorsal view; b, edge view; ¢, ventral view; X 75; plesio-
type, No. 4850, locality 26, Lisbon fm.

BULL. AMER. PALEONT. NonM3iPre20

194

Figure
i

BULLETIN 131 224

EXPLANATION OF PLATE 21 (25)

Page

Planulina cooperensis Cushman. bee u
A, dorsal view; b, edge view; ¢, ventral view ie 50; plesio-
type, No. 4982, locality 58, ” Jackson fm.
Planorbulina mediterranensis d@’Orbieny. i
A, ventral view; b, edge view; ¢, dorsal view; ave 50; “plesio-
‘type, No. 4979, locality 67, "Marianna Is.
Planulina venezuelana Nirttalls 20s 2h IMP). Un
A, ventral view; b, edge view; e, dorsal view; X 40; plesio-
type, No. 4983, locality 58, Jackson fm.
Siphonina claibornensis Cushman. ae
A, ventral view; b, edge view; ¢, dorsal \ View ; aoc 1D; "plesio-
‘type, No. 5030, locality 7, Tallahatta fm.
Sphaerogypsina plobalas (Reuss)! Sse negeals
Plesiotype, No. 5032; X 30; locality 43, “Moodys marl.
Siphonina: /advena>) Cushman... 22 ee eee
A, ventral view; b, edge view; ¢, dorsal view; X 50; plesio-
‘type, No. 5028, locality 65, Mint Spring marl.
Siphonina advena eocenicn Cushman wand! Appin
A, ventral view; b, edge view; ¢, dorsal view; X 50; plesio-
type, No. 5029, locality 58, Jackson fm.
Siphonina danvilionsie Howe nad Wallace. 2
A, ventral view; b, edge view; ec, dorsal view; <a 50: " plesio-
type, No. 5031, locality 58, Jackson fm.

113

Sli ls;

114

115

116

114

115

Beplelt

Buu. AMER. PALEONT. No. 131, Pu. 21

PLATE 22 (26) _

196

Figure

BULLETIN 131 226

EXPLANATION OF PLATE 22 (26)

Page
Asterigerinella callowayl,.n-SD. eee 118
A, ventral view; b, edge view; ¢, dorsal view; 30; holo-
type, No. 4798, locality 58, Jackson fm.
Globigerina dissimilis Cushman and Bermudez — —_~ = abl)

A, ventral view; b, edge view; ¢, dorsal view; X 50; plesio-
type, No. 4901, locality 18, Jackson fm.
Asterigerina texana (Stadnichenko). 2 == =o eel
A, ventral view; b, edge view; ¢, dorsal view; X 50; plesio-
type, No. 4797, locality 18, Lisbon fm.
Globigerina dutertrei dOrbicny.. = 120
A, ventral view; b, edge view; c, dorsal view; X 50; plesio-
type, No. 4902, locality 58, Jackson fm.
Globigerina ouachitaensis senilis, n. var. 121
A, dorsal view; b, edge view; ¢, ventral view; X 75; holo-
type, No. 4900, locality 59, Jackson fm.

NON ST Sei?)

BuLuL. AMER. PALEONT.

PL. 26, VOL. 32

198

MNonre
Figure

ile

bo

ou

BULLETIN 131 228

EXPLANATION OF PLATE 23 (27)

Page

Globigerina spinuloinflatay ne Sp en
A, dorsal view; b, edge view; ¢, ventral view; X 75; holo-
type, No. 4908, locality 7, Tallahatta fm.
Globigerina eocaenica Terquem. JN el eb i een
A, ventral view; b, edge view; ¢, dorsal view; X 50; plesio-
type, No. 4903, locality 58, Jackson fm.
Globigerina increbescens, n. sp. -.-... 10
A, ventral view; b, edge view; ¢, dorsal view; 50; holo-
type, No. 4904, locality 58, Jackson fm,
Globigerina ouachitaensis Howe and. Wallace 22=2— PAN
A, ventral view; b, edge view; c, dorsal view; 40; plesio-
type, No. 4905, locality 58, Jackson fm.
Globigerina DRUGS: d’ Orbigny. vi ste Re pemmeee atere nS 31718)
A, ventral view; b, edge view; ¢, dorsal \ view ; - > 50; plesio-
type, No. 4906, locality 58, Jackson fm.
Globigerina rotundata jacksonensis, Nee Vian eee Seal
A, ventral view; b, apertural view; ¢, dorsal view ; Ge 50;
holotype, No. 4907, locality 58, Jackson fm.

Pu. 27, VOL. 32 Buu. AMER. PALEONT. No. 131, Px. 23

i a:
mre area vial
: ye : aN

al

200 BULLETIN 131 230.

EXPLANATION OF PLATE 24 (28)

Figure Page

1. Globigerinoides pseudodubia, n. sp. 123
A, dorsal view; b, apertural view ; e, ventral view; X 795;
holotype, No. 4911, locality 7, Tallahatta fm.
2. Globigerina peileenleia d’Orbigny. aes 122
A, ventral view; b, edge view; ¢, dorsal \ view ; 7x 50; “ plesio-
‘type, No. 4909, locality 58, Jackson fm.
3. Giimbelina cubensis “Palmer. 2002 2. ei ee eee
A, edge view; b, side view; X 110; plesiotype, No. 4915,
locality 59, Jackson fm.
4 (Globigerinella pseudovoluta, n. spy 2-2) ee aaa
A, side view; b, apertural view; X 110; holotype, No. 4910,
locality 15, Lisbon fm.
5. Giimbelitria Bravenet n. ‘sp. ate el SY) IS ee
A, side view; b, top view; x 110; holotype, No. 4917, loeal-
ity 10, Tallahatta fm.
6. Bolivina dalli (Cushman) je ee i Pe eS ee 125
A, side view; b, apertural view; 75; plesiotype, No. 4805
locality 58, Jackson fm.
7. Gutmbelina eabenaie heterostoma, Bermudez. —_~ a ei”
A, side view; b, apertural view; 150; plesiotype, No. 4916
locality 58, Jackson fm.
8. Bolivina striatellata, Me Tae _ Suse A oS
A, side view; b, apertural v view ; : xX 50; plesiotype, No. 4802
locality 58, Jackson fm.
9. Bolivina Sprintctinta: TM), Ts pet ake ee ee Dee eee ee se 129
A, side view; b, apertura] view; * 50; plesiotype, No. 4803
locality 58, Jackson fm.
10. Bolivina retifera, Te SD) See et oe ee ee 128
A, side view; b, apertural view; X< 50; holotype, No. 4804
locality 59, Jackson fm.

No. 131, Pu. 24

Buu. AMER. PALEONT.

L. 28, VOL. 32

Se ped pee te
i oh EN da RL

PLATE as (29) > A

Figure
il

10.

11.

13.

14.

18.

BULLETIN 131

EXPLANATION OF PLATE 25 (29)

BOlivanae hi UNeETL EL O Wie yee
A, side view; b, apertural view; < 50; plesiotype, No.

loeality 49, Yazoo clay,

Bolivina jacksonensis Cushman and Applin — ~~~
A, side view; b, apertural view; X 75; plesiotype, No.

locality 30, Lisbon fm.
Bolivina dentieulata! neesps

A, side view; b, apertural view ; ae 110; holotype, No.

locality 10, Tallahatta fm.

Bolivina minaicsipnieners @ushimians 9 S22)
A, side view; b, apertural view; X 50; "plesiotype, No.

locality 64, Mint Be marl.
Bolivina taylori Howe. _ Yai teey ea eee can Nn

A, side view; b, apertural v view ; BE 75; plesioty pe, No.

‘locality 15, Lisbon fm.
Bolivina lennon NeeSps

A, side view; b, apertural view; Se 50; holotype, No.

locality 43. Moodys marl.
Bifarina vicksburgensis (Cushman)

A, side view; b, apertural view; 75; plesiotype, No.

locality 58, Jackson fm.
Loxostomum baculum, n. sp.

A, side view; b, apertural view; 75; holotype, No. 4§

locality 58, Jackson fm.
Bolivina Blazanensis Cushman.

A, side view; b, apertural view; x 755 plesiotype, No.

locality 58, Jackson fm,
Bolivina eect Nuttall _

A, side view; b, apertural view; xX 110; plesiotype, No.

locality 10, Taliahatta fm.

Loxostomum serrula, n. sp. Sent See

A, side view; b, apertural view; X 75; holotype, No.
locality 10, Tallahatta fm.
Bitubulogenerina howei Cushman

A, side view; b, apertural view; 110; plesiotype, No.

locality 64, Mint Spring marl.
Reusella partes at Nees: Re ee
A, side view; b, apertural view; X 50; holotype, No.
locality 438, Moodys marl,
Bulimina Pama Cushman and Todd.

A, side view; b, apertural view; X 75; plesiotype, 2 No.

locality 64, Mint Spring marl.
Buliminaselong ata ges Ob loc yee a
Plesiotype, No. 4819, 75; locality. 58, Jackson fm.

Bulimina simplex comis, n. var. —_

A, side view; b, apertural view; Ne 110; “holotype, No. 4

locality 7, Tallahatta fm.

Bulimina itriconay Lerque nn eee

A, side view; b, apertural view; 75; plesiotype, No,
locality 14, Lisbon fm.
Bulimina trigona Terquem.

A, side view; b, apertural view; x 75s | plesiotype, No. 4

‘locality 14, Lisbon fm.

- 126

127

- 182

4800,

5002,

133

_ 1383

4814,

134

Pu. 29, VOL. 32 Buu. AMER. PALEONT. No. 131, Pu. 25

5b 6b

V

. —

je) ;

, ise)

: SS

) , Ne) '

- N

2

: : s

3 my

204

Figure

1.

or

=I

10.

ihe

12.

13.

14.

15.

BULLETIN 131 234

EXPLANATION OF PLATE 26 (30)

Page
Bulimina socialis Bornemann. —_- 135
A, side view; b, apertural view; NG 15; "plesiotype, ‘No. 4820,
locality 10, Tallahatta fm.
Buliminella iterate ne SDs ee JS}
A, side view; b, apertural view; ee 5: ‘holotype, ‘No. 4816,
‘locality 58, Jackson fm.
Bulimina simplex Terquenli. 24 82 ee
Plesiotype, No. 4821, & 110; locality 7, Tallahatta fm.
Bulimina jacksonensis cuneata Cushman — _~ ee Sy!
Plesiotype, No. 4818, * 40; locality 58, Jaekson fm.
Bulimina jacksonensis Gaeiienare SS Sa ae 134
A, side view; b, apertural view; x 40; -plesiotype, No. 4817,
locality 58, Jackson fm.
Bulimimella pulchra (Terquem). 2. ess
A, back view; b, apertural view; X 110; plesiotype,
No. 4825, locality 58, Jackson fm,
Cassidulina’ subslobosa Brady. <2) 2 eee A)
A, side view; b, back view; * 75; plesiotype, No. 4831, lo-
cality 58, Jackson fm.
Buliminella longicamerata, Nesp eee . 138
A, side view; b, opposite side; e, apertural view; Oe 50;
holotype, No. 4824, locality 58, Jackson fm.
Virgulina dibollensis Cagnnan and Applin —— 136
A, side view; b, apertural view; X 75; plesiotype, No. 5068,
locality 58, Jackson fm.
Virgulina dibollensis subtransversalis, nm. var, 22] ee ST
A, side view; b, apertural view; X 75; holotype, No. 5069,
locality 7, Tallahatta fm.
Cassidulina; ‘alabamensis, mn. sp, 232 eo
A, side view; b, edge view; X 75; holotype, No. 4829,
locality 58, Jackson fm.
Cassidulina armosa, n. sp. _. La Nas Se 139
A, side view; b, edge view; xX 75; “holotype, No. 4830, loeal-
ity 58, Jackson fm.
Virgulina polymacphinoider! Nie SPie AOS pee 137
A, side view; b, apertural view; < 75; "holotype, No. 5067,
locality 14, Lisbon fm,
Uvigerina cocoaensissCushman. 28) ee) ee 140
Plesiotype, No, 5054, & 50; locality 58, Jackson fm.
Uvigerina danvillensis Howe and Wallace. 141

Plesiotype, No, 5056; XX 50; loeality 59, Jackson fm.

————

BuLtL. AMER. PALHONT. No. 131, PL. 26

= Pr. 30, Vou. 32

PEATE 2701)

200

Figure

bo

10.

ile

13.

14.

15.

16.

BULLETIN 131

EXPLANATION OF PLATE 27 (31)

Uvigerina curta Cushman and Jarvis.

A, side view; b, apertural view; 50; plesiotype, No.

locality 58, Jackson fm.

Uvigerina, cardnere Cushman 222 2). eee

Plesiotype, No. 5058; 50; locality 58, Jackson fm.

Uvieerinal 2labrans Gusher see eee

Plesiotype, No. 5059; 40; locality 58, Jackson fm.

Uvigerina nuttalli Cushman and Edwards ___-------......

Plesiotype, No. 5060; X 50; locality 63, Red Bluff.
Uvigerina vicksburgensis Cushman and Ellisor. ——.-..-.

Plesiotype, No. 5062; * 50; locality 66, Marianna Is.

Uvigerina dumblei Cushman and Applin. ___—

Plesiotype, No. 5057; & 50; locality 58, Jackson fm.
Uvigerina) microspinosa. Sp) eee

A, side view; b, apertural view; X 75; holotype, No.
locality 58, Jackson fm,

Uvicerina stopilensis) (Cushman eee
Plesiotype, No, 5061; X 40; locality 58, Jackson fm.

Angulogerina byramensis (Cushman).

A, side view; b, apertural view; < 110; plesiotype, No.

locality 62, Red Bluff.
Angulogerina danvillensis Howe and Wallace.

A, side view; b, apertural view; X 75; plesiotype, No.

locality 61, Red Bluff.
Tri‘arina wilcoxensis (Cushman and Ponton)

A, side view; b, apertural view; X 75; plesiotype, No.

loeality 7, Tallahatta fm.
Angulogerina vicksburgensis Cushman.
A, side view; b, apertural view; X 75; plesiotype, No.
locality 61, Red Bluff.
Operculina cf. ocalana Cushman

A, side view; b, edge view; X 25; plesiotype, No.

locality 58, Jackson fm.

loeality 58, Jackson fm.
Ellipsolagena alabamensis, n. sp.

236

Page

5055,

5053,

4784,

4785,

A, side view; b, apertural view, the pits surrounding the
aperture may be due to boring organisms; XX 50; holo-

140

- 145

145

146

146

147

Pu. 31, Vou. 32 Buu. AMER. PALEONT. No. 131, Pu. 27

Note:

INDEX

Light face figures refer to the number paging.

refer to the plate number of the number.

A

Actinocyclina bainbridg-

ensis

Alabamina ‘scitula aes |

wilcoxensis

Ammobaculites agglutin-

ans 2
flariformis Sense
formosensis
midwayensis
pseudorostratus
rostratus pel ae
subagglutinans -
yazooensis :

Angulogerina byram-
CIUSUS ieee tee ee ee
danvillensis
vicksburgensis
wilcoxensis

Anomalina bilateralis
cocoaensis —
Costianaes ===
umbonata -

Articulina terquemi =

Astacolus crepidulus ——

danvillensis
sublituus —
Asterigerina texana
tombigbeensis
Asterigerinella gal-
lowayi nt
B
Bifarina vicksburg-
ensis w
Bitubulogenerina
howe) oe
Bolivina alazanen-
sis Se oe bee
beyrichi
byramensis
dalli ;
denticulata -
huneri
jacksonensis -~
mississippiensis_
regularis
retifera
salebrosa
striatella

Striatellata, =. % :

Favor = ——
Bulimina byramensis
elongata
jacksonensis
jacksonensis cune-
ata
simplex
simplex comis
socialis
trigona

10,

14,

15,

14,

14,

134
134

135
136

3uliminella biform-

Mba 26
longicamerata S26
pulehra 22. — 26
Cc
Caneris claibornensis 12
cocoaensis 12
a SE ere Lule
Cassidulina alabam-. :
ensis be th oe PO
SURI OSA 26
carapitana
galvinensis
reflexa ze -
subglobosa Behe 20
Ceratobulimina eximia
Stelilaitas-s2. == 13
Cibicides cocoaensis’ 18
cookei Mee LS
erassidiscus .._- 18
floridanus
floridanus = ;
diminutiva ......_ _- 17
fortunatus —_.
howelli
ayia te eee AOS
lop agus =e
lucidus == sees ihe)
paubaNDUGGIS) cee 19
pippeni cua 19
pippeni stavensis 19
pseudoungeriansis. 19
pseudoungerianus
lisbonensis —__ 20
pseudowuellor-
Storfites sashes tba D0)
refulgens __
sassel - 2.920
tallahattensis 20
truncatus ___ : 19
vicksburgensis 20
westi 20
Cibicidina blanpiedi — 15
danvillensis 14
mauricensis 15
mauricensis sub- __
Involutus, 2. 16
mirandensis
mississippiensis 15
subminuens 29516
walli : 15
washburni ft
yazooensis 15
Clavulinoides guay-
abalensis pened Fe ce!
Cornuspira lisbonen-
SISh =< eet a 1
olygogyra ___
Cribrohantkenina |

iankete(ongeiy eS ail

14,

10,
14,

Heavy face figures

D

Dentaliniayacutay === | (6
adolphina tA ei soe
cocoaensis
cocoaensis crucifera
Ccommunisee. =
cooperensis — _
cooperensis non-
apicalis eet yt 7
cooperensis gra-
cilescata ——
cucarensis 7
indifferens (rp di
jacksonensis) 228) 27
soluta : 7
vertebralis. alba-
trossi 7

Dimorphina basitorta
danvillensis
danvillensis sub-
tenuis 10

Discoecyelina ad-
vena

Discorbis alveatus ____
alveatus staven-
sis
GOCOBENSIS) 2 een 6
farishi ‘
hemispheri-
cus
mauricensis
tallahattensis
tallahattensis sub-
nitens
yeguaensis _ 17

Discorbitura dignata 17

Dorothia hetero-

aa

Chita: ess 3
E
Ellipsolagena ala-
Damen Sis yee eee 27
Elphidium nautiloid-
UM, ee Ie ees ese.
Eponides ellisore __ 13
jacksonensis ____ 14
lisbonensis — 14
HOCUS eae ents ela! 14
MES CAMUS ees
ouachitaensis) 2255 2]
F
Fissurina crassi-
Canna eee te es 9
NA Oa ie) gee
mauricensis _____ 9
Flabellinella lanceo-
LIE i ee ees Se ee
Frondicularia tenuis-
Sia gee ee, eee 6

BULLETIN srr

10,

’ GL,

vaderensis - 2." 4 eu eee
50 G
144 Gaudryina gard- |
146 NOV! ss 3
51 jacksonensis 3
52 quadrangu-
52 laris =e cs cA
Sibavienisis) ye eee 3
52 Glandulina conica __
Pa eliliptica anes 6
51 laewicata -2 ae 6
52 occidentalis) === 4
52 ovatay ae eee
53 Globigerina bulloides a
53 GUS Simms) =e 27
dubia © Sats os ere
54 dute EErOy = ae oe reps
71 eocdenicay aes 23
a al increbescens ____ es
ouachitaensis ____ 23
val ouachitaensis sen-
nl) DES Raes Ue fy Ne 22
10 rotundata jackson-
95 CnSisy eh oe eno 23
spinuloinflata —__ 23
95 trilocularis it Se eA
96 Globigerinella
99 equilateralis
pseudovoluta
96 wolkoney Jk aa
97 Globigerinoides pseudo-
dubia. SY!
a7, Globorotalia cocoaen-
98 Suse ee = 2117)
99 crassata densa eS il?
99 mariannensis —__ 12
Giimbelina cubensis __ 24
98 cubensis hetero-
stoma ft. sO Soa epee 24
Giimbelitria stav-
CnSismwsee Cae 24
147 colmmibyamnas) ieee
Guttulina byram-
76 CNS S/he eer Te es 9
86 communise =. oe 9
87 ConSoOprina = eee 10
87 lMehmeieciat Ae 10
88 Lnire orl cura s/s) ae eee en
88 Sitavienisisues. ) = seein 10
86 wlkcKopsdcualsnisy)
SD p eee Oe A 10
Gyroidina obesa ____ 14
64 k =
65 Hantkenina ala-
65 bamensis ____ 11
Haplophragmoides lati-
44 COESeh ust eeu aaa
subglobosum
44 tallahattensis ___ 3
208

een

15,

10,

15,

10,

ae ee

a a

i

<n en)

Hemicristellaria
costifera -
gladius

CUS

K
Karreriella advena 4
L
Lagena elliptica 7
gracilicosta 7
laevis
laevis stavensis 7
humerifera
ouachitaensis
ouachitaensis ala-
pamensis: = ae 7
suleata Sia ee
suleata spirata
wallacei
Lamarckina bicon-_
Vea), 8 Hives 12
claibornensis
Lepidocyelina man-
telli sue See
Dedianas = tae:
Liebusella byramen-_
Sissiburncidal 22s aS
Lingulina subcrassa 9
Listerella petrosa _. 4
Loxostomum bac-
ieUllio iyo sp eee ees 9)
claibornense
serrula

a.)

Marginulina cocoaen-
STi) Se eee a eee ers 6
Grossota, 28a 8 asin! 46
dicitalist 22 te. G6
Warnbwenin = es St G
havanensis eS
jacksonensis —__.__ 6
laevinscula, == 3 6
HUltiphicata 2 -—- '(G
stavensis 6
subbullata

Massilina cookei —__ 3
decorata __ 2
jacksonensis punctato-
costata -__- ey
mansfieldi
yazooensis

Miliola jacksonensis. 2

Nodosarella annulos-

INOS Aye 2 sees ee = 27

BOCHACNISIS, ey = 27
Nodosaria globi-

Peri cea osc re Ti

atejugata sess 7

LOUPISCAtA == at

YU ee ee NT

INDEX

13,

13,

Nonion advena —....... 10
chapapotensis —...
danvillensis _..__. 10
inexcavatus 10
mauricensis ......_.. 10
TMT CTATS ay > og Se
nicobarensis __.___. 10
foun MEDS aa al
rolshauseni ________ 11
Staviensise 2-2 2 5 11
tallahattensis — 11

Nonionella jacksonen-
SUSe slave ices ewe fT
longicamerata _.___ 11
Spiscaer-pee ee 11
turgida NT ate
winniana ____ 11

Nummulites jackson-
ensis Le faa

Oolina spherica

15 Operculina cf. ocalana 27
13 Operculinoides
=i AV(EDUT OU ETD omens ee
64 1
31 Palmula budensis _____
CHlatay ese SO
131 Henbes tines 5
131 Planorbulina mediter-
131 PATIETISUS oeeeeee were 21
Planulariaawuris) 2S
CUbeniSis a norte el
45 SCAV ETSI pee ey ox 5
45 Planulina cocoaen-
46 SIG 7 as eee ade 20
46 cooperensis __.___. 21
48 Suibpinitlabay os 18
Aq venezuelana ae oo 21
47 Polylepidina gard-
AT NCU ce Sac eat eS
48 ee ee
AQ enisismee-.. eb ss
24 frondea © Pint ee
24 OSONnice es kee ee 9
MU anes a 9
g5 Pseudobulimina glaess-
25 UGTA Stee eek, 13
25 Pseudoclavulina
22 coOcoacnsis; = 4
Pullenia quinqueloba
angusta —._- A
146 quinqueloba aplata_ 12
146 Pulvinulinella exigua
ObiSsa,” 22 ee
54 Q
Be Quinqueloculina as-
5B Pera: te eee
conustans) =a 1
209

l5ts

19
18

harrisi ==. = 1

We TMNO Sa eeL:
lacuniOSanse = =a ee
lacvigata, = ===
limbatar 2.225. =
MAUI CGM SIS. see aa

mauricensis apertaex-
i

pansa ——-___--
mauricensis lisbonen-

CHG) ia he

PATISWeNS1S = == elim =
Seranvaeuloyesy
SAVE SUS ee eee hg 72
striata aN Geer ese
SUbStRiatay serene
VE CUAS ISIS) ee 2
R
Raphanulina gibba _ 10
ToaesxoueN ls) 10
Guberculata 22. == 10

Reusella moodysensis 25
eocena = ‘
Robulus alato-

Uslie oe WeTvUS) Sle 8
carolinianus —— - te
cocoaensis
convergens — 8
davisi 8
dumblei Ze
euglypheus) = 8
inusitatus STK)
jugosus 9
limbosus — 8
pseudovortex 8
rectidorsatus 8
texanus oe 9
vicksburgensis 8
westermanni 9
Rotalia cushmani —~
Sima ise eee ea 5)
Rotorbinella pack-
ire ald 2s ree iS}
s
Saracenaria béttcheri 5
hantkenie= = pe
moresiana === 5
ornatulat i= 5
ornatula regia _- 5
SIGAVie NSS eee ees
Sigmoidella lisbon-
GATSLS pce ee ee AG
jolhuoomen@ucesy 9
Sigmomorphina
COSstiterd ee 9
Spirillina vicksburg-
jacksonensis _..... 9
sivhonine advena _ 21
advena eocenica — 21
claibornensis _.___ 21
danvillensis ___._ 21
Sphaerogypsina
Slobulus eee a

BULLETIN

Tike, its)

11, 20

14, 59

14, 60

A 162

iby) Sk0

14, 40

ENSUS<, 20" ee, 1
Spiroloculina biden-
Gata) ae eee
lisbonlensis) = 1
Spiroplectammina
alabamensiss = 4
alabamensis diminu-
WIN Ah cea ena Np 2s
era cileniva aa 4
WOW Cli) ee te dl ee
Dieses oS ety seers tenes Fee 4
mississippien-
SUS (ee eee oe Sa ee 4
pseudoelongata ss 4@
iT.
Textularia adalta.. 4
claibornensis _...—s- 4
dibollensis 4
dibollensis humblei 4
dibollensis staven-
USEING ta en en
lavehau gli Ween Ey
ouachitaensis Ay
recta
Trifarina bradyi _
wilcoxensis =! rat
Triloculina gilboei — _— é
mindenensis _ YD
7 Ov UL ea eee
Subrocundal anne
subtumidifrons 2
U
Uvigerina cocoaen-
SSM ee ace eG
curta eS ehh
danvillensis See Nes 7-10
Clinwoclopic Ries ee yl
Pardnera ps ee 2
AEM MANE ee Ll
MUCLOSpPINOSAee =o
muttaliiy =e ee 27
topilensis, == == 27
vicksburgensis —~ 27
Vv
Valvulineria danvill-
CNISTS, 222 oases es
danvillensis gyroid-
INO eS) == ee eee 1133
jacksonensis =
jacksonensis persim-
Tis “SE Sete ae ae 13
octocamerata __... 18
POA oe eee 13
Virgulina dibollen-
Sis? == . AAR
dibollensis ‘subtrans-
Vie Salis) e-- eeees 26
polymorphinoidea 26
Vulvulina advena _.._ 5

1,

13,

13,
fale
13,

14,

15,

10,

11,

14,

137
38

Page Line
if 16
13 3
NZ/ 6
21 30
23 20
26 1
50 9
90 14
109 19
110 8
117 38
136 3
148
160 36
174 15
174 33

ERRATA

For ‘‘Willam Moarn’’ read ‘‘ William Moran.’’
For ‘‘ Lepidocyclina ocalina’’ read ‘* Lepidoeyclina oca-

lana.’’

For ‘‘ Hantkenina dalabamaensis’” yvead ‘* Hanthenina ala-

9

bamensis.

For “the last ultimate’’ read ‘‘the ultimate.’’

For

‘*siligious cement’? read ‘‘siligeous cement.’’

For ‘‘Cushman, 1944, Lab.’’ read ‘‘Cushman, 1944, Cush-

For

For
For
For
For
For
For
For
For
For

man Lab.’’

‘portion of one of a chamber’’ read ‘‘portion of one
side of a chamber.’’

‘*eommon at Red Buff?’ read ‘‘@ommon in the Red Buff.’’
“Plate 20, fis. da-c’’ read ““ Plate 20, figs. 3a-¢.’?

Ses. * read ©" Res: 27
(p40 ereadeewiOsadece

SINT pale meade cuNGG tallile a
“*Guadryina’’ read ‘‘Gaudryina.’’
‘*diabollensis’’ read ‘‘ dibollensis, ’
OG trevor) read EE yiny ee.

Oe ideeKel CSG RY

5]

On headings of figures and charts for ‘‘vol. XXXI, No.

132”? read ‘‘vol. XXXII, No. 131.’

: Bijvs)s rae

rey! ie)
pee

ASA En)
re as : ge

Be SY BOLLE TENS
pas coup. OLE =

\ enna ed

Miva ORs

| Bik 29 1949}
i y HARVARD
Fy WuyERSITY

AMERICAN
PALEONTOLOGY

rm |

VOL XX XU.

NUMBER 132

1949 |

| Pa aleontological Beha reh Institution
Ithaca, New York

Buu. AMER. PALEONT, FRONTISPIECE Vol. 32, No. 132

EZRA BABCOCK KNAPP. 1830-1908

From the painting by John Dodgson Barrow, Skaneateles Library
Association, No. 2.

(Photograph by Ethel Ostrander Smith, 1948.)

i wus. COMP. ZOOL.
LIBRARY

MAR 29 (94 BULLETINS
HARVARD %
UNIVERSITY OF

AMERICAN PALEONTOLOGY

Vol. 32

HOLOTYPE OF MYTILARCA (PLETHOMYTILUS) KNAPPI HALL WITH

A NOTE ON EZRA BABCOCK KNAPP

Burnett Smith

M arch 20, t 949

PALKONTOLOGICAL RESEARCH INSTITUTION
IrHaca, New York
Wise, Ae

HOLOEY PE OP WLY WEARCA) (PELE THOM YTTEGS,)
RMAPP MALE WItH Ay NOTE-ON
EZRA BABCOCK KNAPP
By

BURNETT SMITH

INTRODUCTION

The holotype of M/ytilarca (Plethomytilus) knappi Hall (tall,
IS84, p. 250, pl. 87, fig. 13) was found in 1948 during rearrange-
ment and renovation of the geological collection of the Skaneateles
Library Association of Skaneateles, New York. The President
and Board of Trustees of this association, realizing the scientific
importance of the find, presented the holotype to the Paleonto-
logical Research Institution, 126 Kelvin Place, Ithaca, New York,
U.S, A. It now bears this repository’s catalogue number 6051
and is there available for consultation by scientists throughout
the world. | No attempt is here made to redescribe Hall’s species.
The purposes of this note are (1) to acquaint paleontologists and
students of mollusks with the location of the holotype, (2) to
outline the specimen’s probable history, (3) to tie definitely Ezra
Babcock Knapp’s name to the species, and (4) to give a brief
sketch of the life and traits of an energetic local collector and
remarkable personality. The present writer remembers Knapp
well but any quoting of his words or anecdotes about him appear-
ing here are based on recollections decades old and must there-
fore be accepted as approximations only.

ACKNOWLEDGMENTS

The compiler of these notes has been helped by so many persons
that a complete list of them might rival the rest of the paper in
length. The hope is here expressed that the many not mentioned
will accept this blanket acknowledgment. — First tribute must be
paid to President L. Harris Hiscock, the Library Board of
Trustees, and the officers and employees of the Skaneateles
Library Association. | Permission to reproduce the Knapp por-
trait in the Skaneateles Library is acknowledged with gratitude.

4 Bulletin 131 244

This painting by the late John Dodgson Barrow of Skaneateles,
New York, gives an excellent and very characteristic picture of
Knapp in his intellectual prime. Thanks are due to Doctor Rem-
ington Kellogg of the United States National Museum for an
investigation of Knapp’s Washington contacts. Of especial help
in the preparation of the Knapp note have been Mrs. Annie C.
Ackles and Mrs. Flora A. Burns Austin (Mrs. Anthony Austin)
both of Skaneateles. The writer is also indebted to Doctor Kath-
erine V. W. Palmer of the Paleontological Research Institution
for the photograph of the holotype in its rock matrix and to Mrs.
Ethel Ostrander Smith of Skaneateles for the photograph of the
3arrow painting of Knapp.

THE HOLOTYPE, 17S LOCATION, AND, PROBA ete
ELL SOR

The holotype of Mytilarca (Plethomytilus) knappi Hall (Hall,
1884, p. 256, pl. 87, fig. 13) as already stated is now in the
Paleontological Research Institution, 126 Kelvin Place, Ithaca,
New York, U. S. A. Its catalogue number is 6051. Hiall’s
figure is of a right valve cast showing growth line and ligamenta]
impressions. |The specimen is, however, still in its rock matrix
but there is no difficulty in recognizing a virtually complete agree-
ment between the specimen and its figure. | Even “imperfections”
are faithfully depicted in the figure.

When found in 1948 the holotype was resting on, but not at-
tached to, a wooden block. —Pasted to the block was a label bear-
ing the following:“Plethomytilus Knappi. n._ sp. Hamilton
Period.:| From: near 10 mile Point: Skan; Lake, Ne -Y°° > Both
block and attached label are similiar in design to those used for
many other specimens in the Skaneateles Library collection, and
it is, therefore, reasonable to conclude that block and label for the
holotype were prepared either by the library or by Knapp. On
the same side with the holotype there is attached to the rock
matrix a faded label on which “Plethomytilus knappi’” can be
made out except perhaps for a few letters and also the word
“specimen”. Qn the same side there is also another faded label
with the number 13 and a much fresher green label on which the
number 2049 shows up distinctly.

=

“ao

245 Mytilarca knappi Hall-Knapp: B. Smith 5

On the “reverse” side of the specimen there is attached one
label reading “E. B. Knapp. Skaneateles N. Y to be returned”
and another label with “Skan. Lake N. Y.” upon it.

The writer has attempted to reproduce exactly the wording,
punctuation, and abbreviations of these old labels for they form
an important part of the history of this much-documented
specimen.

The evidence, given largely by the labels, may be interpreted
in this way. Knapp collected the specimen near Tenmile Point
on the east side of Skaneateles Lake and turned it over to Hall
for identification with the understanding that the specimen was
te be returned either to the Skaneateles Library or to Knapp.
Hall, considering that he had before him something new, named
the species after Ezra Babcock Knapp. Unfortunately Hall
does not make this clear in his descriptive text (Hall, 1884,
p. 250) but the labels unquestionably connect the specimen with
Ezra Babcock Knapp. Many years ago Knapp told the present
writer that Mytilarca (Plethomytilus) knappi had been named
after him (Ezra Babcock Knapp). Apparently Knapp, in show-
ing the specimen to Hall, acknowledged his inability to identify
‘t. Hall’s reply was something like this—‘‘The species is
Mytilarca (Plethomytilus) knappi.’ In that way Knapp learned,
that he had something hitherto unknown.

The holotype of Mytilarca (Plethomytilus) knappi Hall came
from one of the harder and more resistent layers of the Hamilton
shale. Virtually touching the holotype is the cast of a left valve
fragment assignable to lctinopteria. The cast-of a portion of
the right valve of the same individual is also present. The valves
were buried in the sediment with little or no separation from each
other. The species is either -Ictinopteria boydi (Conrad) or
A. decussata (Hall) (Hall, 1884, pl. 19, figs. 2-24, 26-30; pl. 18,
figs. I-15). A poorly preserved specimen probably of Tropido-
leptus carinatus (Conrad), fragments of “crinoid’ stems, and
obscure “bryozoan” markings are also among the associates of
the holotype.

It is now fitting to attempt to evaluate more closely the prob-
able locality and geologic horizon of the holotype. The former,

6 Bulletin 131 246

according to the label, is near Tenmile Point. Unfortunately
which side of the point is not stated. ‘Two of the labels at least

suggest that the specimen came from rock outcropping along the
shore. Hall (1884, p. 250) gives the “shores” of the lake. If
collected in place the chances are that the specimen was found
in the low but conspicuous cliffs which appear along the lake
about one-half mile southeast of Tenmile Point) This outcrop,
assigned to the Centerfield member of the Hamilton, is exposed
almost continuously along the shore until the bed dips below the
lake level just south of Halls Landing (Smith, 1935, Geologic
Map 1, fig. 18).
EZRA BABCOCK*KINARE

1830-1908
This brief sketch of the life and traits of Ezra Babcock Knapp
is derived from a number of sources. An obituary notice is to

be found in the Skaneateles Free Press for October 30, 1yo8 and

very like account of him, apparently prepared during his life-
time, occurs in Collins’s history of Spafford (Collins, 1902 (7),
LOG 76. Di LOL): Personal recollections and anecdotes complete
the list of sources.

Ezra Babcock Knapp was born in the Town of Scott, Cortland
County, New York, on February 26, 1830. He was the son of
‘Peter, Jr. and Sarah Babcock Knapp. | When three years of age
he moved with his parents to the adjoining Town of Spafford in
Onondaga County. He grew up as a farmer boy on a farm
near Spdfford Corners. After his elementary schooling he
attended the “Academy” at Homer, Cortland County. This
“Academy” was then a famous school and Knapp was graduated
from it in the later 184o’s. «From 1848 he taught school “for
twenty-three terms.” Three years followed in the book business
in Syracuse, New York, where he was associated with E. P.
Howe under the firm name of Knapp and Howe. — After this for
some twenty vears he appears to have been a salesman for school
book and school supply companies.

In 1857 Mr. Knapp married Loretta E. Wiltsie of Skaneateles,
which village became his residence in 1870. He was elected

247 Mytilarea knappi Hall-Knapp: B. Smith

Nr

School Commissioner for the Second District of Onondaga
County, New York, in 1884. — Ke-elected in 1887 he served three
years more but declined the nomination for a third term. He
is stated to have been an able school commissioner. — lor some
six months in 1892 Mr. Knapp held the office of President of the
Village of Skaneateles.

Knapp was undoubtly a man well versed in the local geology
and with a creditable record in education so one is not surprised
to learn that in 1887 Colgate University conferred upon him an
honorary degree of Master of Arts.

The following quotation from the obituary notice (Anonym-
ous, 1908, p. 1) already mentioned adds other items of interest.
“Mr. Knapp was one of the early and warm friends of Skan-
eateles Library, to which he donated a choice collection of geo-
logical specimens. He was for a time employed in the Smith-
sonian Institution at Washington in scientific duties.”

The present writer has been unable to verify Knapp’s possible
employment at the Smithsonian. | However, he was in touch with
the United States National Museum which “Received (accession
No. 14347) from Mr. E. B. Knapp, of Skaneateles, N. Y., a
collection comprising 14 genera, 17 species, of Devonian fossils,”
etc. (See Walcott, 1885, p. 204.)

In addition to his “solid” qualities Knapp had another and
very likeable side. | He was an incorrigible joker. Mrs. Knapp
was frequently referred to as his “bride.” Plethomvytilus knappi
was his “stone baby.” That Knapp’s sense of humor could get
him out of a tight place is illustrated by a story told the present
writer by his father, the late Edmond Reuel Smith of Skaneateles.
The incident occured on a train between Skaneateles and Syracuse
during the rage of spelling contests or spelling bees. The car
was crowded and a disgruntled passenger, imagining that he had
been jostled by Knapp, threatened to punch him in the “snoot.”
The unruffled Knapp turned upon the threatener with the follow-
ing — “S-N-O-U-T, snout, Webster’s unabridged.” In this
way an ugly situation was turned into a comic one to the delight
and amusement of the weary passengers.

8 Bulletin 131 248

REFERENCES

Anonymous
1908. Bzra Babcock Knapp. Skaneateles Free Press, vol. 35, No.
64 (October 30, 1908), p. 1.
Collins, George Knapp (Captain)
1902(?), 1917. Spafford Onondaga County, New York. Published
by Onondaga Historical Association, 1917.
Hall, James
1884. Lamellibranchiata I. Monomyaria of the Upper Helderberg,
Hamilton and Chemung groups. Natural History of New York.
Paleontology, vol. V, Part I, Lamellibranchiata I.
Smith, Burnett
1935. Geology of the Skancateles Quadrangle. N, Y. State Museum,
Bull. 300.
Walcott, C. D.
1885. Department of invertebrate fossils, Paleozoic. (Report on
accessions). Smithsonian Institution, Annual Report for 1884,
Pamtalle

PLATE

PISA hres, (032)

10 3ulletin 131 250

HXPLANATION OF PLary 1 (32)

al ) .
MONTE ove
Figure Page

1. Mytilarea (Plethomytilus) knappi Hall : :
Holotype in rock matrix. P. R. L., No. 6051. Long dimen-
sion of holotype about 4S mm. Probably from the Cen-
terfield| member of the Hamilton group. Near enmile
Point, shore of Skaneateles Lake, New York.

(Photograph by Katherine V. W. Palmer, 1948.)

4

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BULLETINS
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AMERICAN

PALEONTOLOGY

*

VOL. XXXII

———— es
: as

NUMBER IGS

1949

. PALEONTOLOGICAL RESEARCH INSTITUTION

THACA, New York
ale BSAA

ees MUS. CaP. pA : |

MUS. COMP. ZOOL.

LIBRARY
ue BULLETINS .
JUN —'? 1949
HeavARD OF
YIVERSITY

ERICAN PALEONTOLOGY

Vol. 32

» (
No. 133

CRINOID STUDIES

Parr III. ApoGRapHiocrinus Arcuatus, New Species From
THE MissourI SERIES OF OKLATIOMA.

Part IV. Exocrinus, NEw Genus From THre PENNSYLVANIAN
OF OKLAHOMA.

ParT V. ALLosocrINus, A NEw CriNnoIp GENUS FROM THE
PENNSYLVANIAN OF OKLAHOMA.

Part VI. ALLAGECRINUS Copani, New Species From THE
PENNSYLVANIAN OF OKLAHOMA.

Part VII. New Species oF Crinorps From SOUTHEASTERN
KANSAS.

By

HARRELL [.. STRIMPLE

April 28, 1949

PALEONTOLOGICAL RESEARCH INSTITUTION
IrHaca, NEw YORK
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MUS. COMP. ZOOL
LIBRARY
JUN ~'7 1949

HARVARD
UNIVERSITY

TABLE, OF CONTENTS

Page
Part III. Apographioerinus Arcuatus, New Species from the Miss-
Our Sertesp oy Oka OMe cote woes tere eects Peeps cteree 5

Part IV. Exocrinus, New Genus from the Pennsylvanian of Oklahoma &

Part V. Allosoerinus, a New Crinoid Genus From the Pennsylvanian
(stat) SCLEU EY ONT UM tee te eee res deere eer ORE ek Sm cn a tee ee 15

Part VI. Allagecrinus Copani, New Species from the Pennsylvanian
Otam © isla QIvigy be 2 aaa ere Ae tod See Red eRe ea ae Pee en eR 20

CRINOID STUDIES
By
HARRELL L, STRIMPLE

Part III

APOGRAPHIOCRINUS ARCUATUS, NEW SPECIES FROM
THe Missourt SERIES OF OKLAHOMA

INTRODUCTION

Ornamented apographiocrinids, other than the granular-ap-
pearing young forms, are rare in the Missouri series of north-
eastern Oklahoma. However, they have been observed from
time to time by the author in certain crinoidal zones of the Wann
formation. © Among the numerous crinoid specimens collected
at the Mound (or hill) just west of the city limits of Bartlesville,
Oklahoma, approximately one-tenth of one percent of the «1 po-
graphiocrinus specimens shows evidence of a scarlike develop-
ment below the articular facets of the RR. At a comparable hori-
zon some three miles west of Ramona, Oklahoma, approximately
thirty percent of the .!pographiocrinus specimens have a scarlike
development below the articular facets of the RR and, allowing
some latitude for individual variants, appear in the main to belong
to a single species which is described as .1pographiocrinus arcua-
tus, new species. It is probable that additional species will
eventually be presented from this zone.

The crinoidal horizons three miles west of Ramona (just west
of the E14 cor. sec. 25, T..24 N., Ry» 12 E.). occur as follows:
1.) Near the top of the shale that rests between the Iola limestone
formation at the base of the hill and the next thin limestone layer ;
2.) Just above the previously mentioned limestone layer; 3.) Just
above the next higher thin limestone layer. Crinoid ossicles are
common in the shale between the two thin limestones but complete
specimens are almcst nonexistent. It might be noted that crinoics
are not prolific at this outcrop. However, «1. typicalis Moore and
Plummer, along with many other crinoid species, is found in all
three horizons. A. arcuatus is restricted to the zones just above

the two thin limestones.

6 BULLETIN 133 256

DESCRIPDION OF SRE GIES

Genus APOGRAPHIOCRINUS Moore and Plummer

Apographiocrinus arcuatus, n. sp. Plate 1, figs. 1-10; text fig. 1

Description.—Dorsal cup is shallow and broad. — Basal con-
cavity is shallow. Five IBB are almost entirely covered by the
comparatively stout column Five BB are rather large plates
and have a subhorizontal attitude. Five RR form the lateral
sides of the cup and have a distinctive appearance due to the
vertically developed, ornamented facets which appear below the
arm articulating facets. | Ornamentation is restricted to small
nodelike projections which mark the lower perimeter of the arcuate
facet which is itself entirely smooth, The outer surfaces of RR
along the sutures project into the articulating areas as prong-
like extensions and are more pronounced than normal for the
genus. Only one qnal plate is present in the dorsal cup and
rests solidly on the truncated upper extremity of post. B. Upper
extremity of anal X 1s considerably wider than the lower portion
and is faceted for the reception of two tegmen plates.

Figure 1. Diagrammatic sketches of articular facets of Apographiocrinus
to show inward, pronglike extension of radials between articular facets:
a. extensions ending with blunt imner edges, as normally preserved; b.
stippled area representing two additional elements found in many well-
preserved forms.

There are ten uniserial arms, bifurcating with the first PBrBr
in all rays. Ant. PBr is longer than the others, 1. post. PBr
and r. ant. PBr are elongate and of approximate equal length,

357 Crinoip Stupres.. Part II]: Strimpie .

St

and r. post. PBr. and 1. ant. PBr are short elements. In young
specimens a faint keel-like ridge extends the length of each
PBrBr, Small nodelike projections mark the upper edges of
SBrBr.

The column is curmposed of round, alternating expanded ossicles
and is pierced by a minute round lumen.

Measuremests-—

Holetype Paratype -aratype Paratype

; No. 895 Ne. 8952. No. 895b. No 8&g5c
Wicath of dorsal cup 10.8 Oe 6.5 8.2
Height of dorsal cup ary 2.4) 2.9 3.8
eight of basal

concavity Let -— -- Hast
Width of proximal

columnal 1:4 = — 1.8
Length of ant. PBr — 5.0 By -—
Length of crown -— 27.6 16.9 ” —

Remarks.—-A pographiocrius avcuatus is more comparable to

‘arious ornamented apographiocrinids from the Missouri series of
Texas than to those found in the Des Moines series of Oklahoma

(see Strimple, 1948). In all other described species the entire
surfaces of the arcuate facets of the NR are ornamented by gran-
ular or nodular prctuberances. The tendency toward granular

development of these facets has been: observed in Oklahoma forms
from the Missouri series but is consicered a divergent trend since
almest all of the present specimens are entirely devoid of orna-
mentation except for the small nodes marking the lower edge of
the facets.

Apparently this peculiar vertically developed facet served some
function of the organism or it would not have attained such wide
distribution. In the cpinion of the writer, the facets were in use
when the arms were extended, The purpose of the pronglike
extension between articular facets is apparent when the arms are
closed, for the PBrBr are so constructed as to rest on them. If
the extensions were not present, direct passage to the body cavity
would be possible between the lower limits of the arms.

1, Approximate.
2, As preserved.

& BULLETIN 133 258

Close observation of innumerable specimens of 4 pographiocrin-
us has disclosed the presence of two elongate, sliverlike ossicles at
the inner edge of the interfacetal projections. | Normally the
projections of the RR end in a blunt edge, and these additional
plates are only found with nearly perfect preservation. The
small elements provide an unusual problem in taxonomic desig-
ration among the inadunates. The presence of partitions be-
tween rami is best demonstrated among the camerates by
Fucalyptocrinites.

Occurrence and horizon.__Road cut just west of the E. 4 cor.
sec. 25, [24 N;, R. 12 B%,some three mules. weston Kamowse
Oklahoma, and the Mound (or hill) just west of the city limits
of Bartlesville, Oklahoma; Wann formation, Ochelata group,
Missouri series, Pennsylvanian.

Types.—Figured types, Nos. 895, 895a, 895b and 895c, Strimple
Collection.

REFERENCES

Moore, Raymond C., and Plummer, F. B.
1940. Crinoids from the Upper Carboniferous and Permian strata in
Texas. Univ. Texas, Pub. 3945, pp. 9-468, pls, 1-21.
Strimple, Harrell L.
1948. Crinoid studies. Part II, Apographioerinus from the Altamont
limestone of Oklahoma, Bull. Amer, Paleont., vol. 32, No. 130,
pp. 6-12), pl. 1.

CRINOID STUDIES

PAR Taye

Exocrinus, New Genus From THE PENNSYLVANIAN OF
OKLAHOMA

Zs Solineaten tt

Exocrinus, new genus, is proposed to accommodate an as-
semblage of well over 100 specimens representing five new spe-
cies of a unique Pennsylvanian crinoid group. Three major
stratigraphic divisions of the Pennsylvanian are represented, 7. ¢.,
Des Moines, Missouri, and Virgil series.

259 Crrnoip Stupres. Part IV: StrimPLe 9

INTRODUCTION

A distinctive crinoid genus, rather common to some lennsyl-
vanian strata, has been known to the author for several years.
However, the specimens are all so small when compared with
those of most genera that there has been some doubt as to their
maturity. Over 100 specimens assignable to the genus have now
been observed, and there is no question that the larger forms are
mature. The largest observed specimen is the holotype of Eo-
crinus virgilensis, n. sp., and the largest complete crown is the
holotype of Exocrinus multirami, n. g., n. sp.

All specimens were collected by Mr. and Mrs. H. L. Strimple
of Bartlesville, Oklahoma. The author is grateful to Dr. Ray-
mond C. Moore, State Geologist, State of Kansas, and to Mr.
James Wright, the eminent Scottish crinoid authority, for valu-
able suggestions in the study of the group.

DESCRIPTION OF SPECIES
} Genus EXOCRINUS, new genus

Genotype—Evocrinus nudtiraniu, new species

The crown is compact and of medium length, Dorsal cup 1s
shallow, truncate cone-shaped, with slightly invaginated base.
IB five, small elements, of subhorizontal to downflared atti-
tude, confined to the depressed basal area, and not visible in side
view of dorsal cup. [LB relatively small and largely in the basal
plane. Anal series essentially a single plate (RA) in posterior
position, followed normally by two smaller elements. In the
younger species, /¢. virgilensis, RA is elongate and extends above
the upper limits of the dorsal cup. It is apparently followed by
a single plate.

The arms are rather stout, pinnular and short, with first bifur-
cation taking place on the first PBrBr.- As reflected by the geno-
type, there is a second endotomous bifurcation and a third divi-
sion in many rays. Twenty-four arms are shown by the holo-
type of FE. multirami, but all rami are not preserved to their term-
ination, .\ minimum of thirty arms is indicated. Some outer
rays do not appear to have the third bifurcation which would

LO BULLETIN 133 260

constitute a sporadic exotomousity in the distad portion of the
arms.

A few proximal columnals have been observed. So far as
preserved the stem is annulated, circular in outline, and non-
cirriferous. The lumen is small and round.

This genus has a known distribution in the Des Moines, Miss-
ouri, and Virgil series (Pennsylvanian) of Oklahoma and south-
ern Kansas.

Although the genus is placed under the Ampelocrinide, it is
to the Mississippian representatives, rather than Pennsylvanian
forms, that we must look for close affinities. Cymbiocrinus Kirk
and Ampelocrinus Kirk are both small forms, as represented in
the literature, and could have evolved to the present genus
through fusion of the two PBrBr. All described Pennsylvanian

ampelocrinids are rather large, have two PBrBr to each ramus,

and have pentagonal-shaped stems.

Stellarocrinus Strimple has an arrangement of the post. IR
similar to Exocrinus and a round column, and it is entirely pos-
sible there might be some relationship. However, the articular
facets of the former genus are markedly different from those of
E-xocrinus.

Exocrinus multirami, n. sp. Piate 2, figs. 5-7; Plate 3, figs. 4, 5

Description.—Dorsal cup is truncate cone-shaped, with base
mildly depressed. IBB disk is subhorizontal, confined to the
invaginated base, diameter slightly greater than the proximal
columnal, and is composed of five equal elements. BB are five
medium-sized elements, proximal portions participating in basal
invagination. Post. B supports the single anal plate (RA). RA
supports two almost equal elements above, the proximal por-
tions of which are within the upper limits of the dorsal cup. That
to the left (anal X) is slightly larger, and the upper facet forms
a continuous face with the plate (RX) to the right. RR are five
large elements with articular facets almost filling the full width
of the plates. Articular facets slope very slightly outward and
have shallow muscle areas. Intermuscular notch is narrow,
denticles are absent, and the only sharply defined feature is the
ligamental pit.

201 Crinorw Stupies. Part IV: STRIMPLE II

The number of arms varies with the stage of development.
First bifurcation takes place with PBrBr in all rays. In very
young specimens only ten arms are found, a strong keel-like ridge
marks the median section, and most PBrBr are extremely elong-
ate. Anterior PBr is considerably the longest, the two posterior
PBrBr next in length, and the right and left anterior PBrBr are
of moderate length. In full maturity, this inequality in length
is still present though the unusual length is somewhat modified.
All axillary BrBr are considerably longer than normal brachials,
and the median keel splits at the apex of each axillary element to
form two small spinelike protuberances. Twenty-four arms are
preserved in the nearly complete crown figured as the holotype.
Second bifurcation takes place with either the third or fourth
secundibrach, Next branchiny is apparently mainly confined to
the inner rays and takes place with the third or fourth tertibrach.
This would be exotomous branching except that endotomous
structure is found in some of the outer rays where axillary TBrBr
have been observed.

Only proximal columnals have been observed. They are circu-
lar in outline, alternatingly expanded, with the larger ossicles
having an almost beadlike outline. There is a minute, round
lumen.

Under magnification, the entire crown is delicately granu-
lar. Tegmen is unknown.

Measurements.—
Young
Holotype Paratype
Height of dorsal cup 1.8 mm. 1.7 mm.
Width of dorsal cup 7.1 mm. 4.I mm.
Length of crown 16.6 mim. 14.0 mm.
Leneth of anterior primibrach 3.0 mm. 4.0 mm

Remarks.—The rapidly expanding dorsal cup, arm structure,
and arranzement of the elements in the post. IR serve to readily
distinguish this from other described species. It 1s of some in-
terest to note that dorsal cups without arms are seldom observed
for this species, but small crowns are rather common at the type
locality.

I2

BULLETIN 133 262

Occurrence and horizon.—Unnamed shale some 30 feet above
the Torpedo sandstone formation, Ochelata group, Missouri se-
ries, Pennsylvanian; 244 miles northeast of Copan, Oklahoma.

Types.—Strimple Collection, No. 536.

Exocrinus desmoinesensis, n. ©). Plate 2, fies oes

Description.—Dorsal cup is shallow, more or less bowl-shaped,
with the base invaginated. The basal depression is rather nar-
rew and, with the proximal columnals in place, it is not possible
to observe the small IBB disk. BB are five small elements, with
the lower portions curving evenly into the basal invagination.
Post. B is considerably longer than the other BB. RR are five
rather large elements. A small, narrow RA rests squarely on
the upper extremity of post. B. RA is followed by two small
nearly equalized elements (anal X and RX), The latter plates
are barely within the upper limits of the dorsal cup and their up-
per extremities form a confluent shelf.

Proximal columnals are circular in outline and are pierced by
a minute, round lumen.

Arms and tegmen are unknown.

Measurements.—

Holotype
Height of dorsal cup 2.0 mm.
Width of dorsal cup 6.0 mim.

Remarks.—The dorsal cup of FE. desmoinesensis has an un-
usually rounded contour as compared to other species assigned
to the genus. The stem is larger than normal, and the small,
narrow RA is distinctive.

Occurrence and horizon.—Altamont limestone formation, Des
Moines series, Pennsylvanian; road cut near the end of 31st
Street at the eastern edge of Tulsa, Tulsa County, Oklahoma,

Holotype.—Strimple Collection, No. 541.

Exocrinus wanni, n. sp. Plate 2, figs. 1,2: Plate 3) fizs) i&3

Description.—The dorsal cup is truncate cone-shaped, expand-
ing rapidly from the basal plane. The basal area is invagi-
nated. IBB disk is small and composed of five elements. BB
are small, the proximal portions comprising the walls of the

263 Crinoip Stupres. Part IV: STRIMPLE 13

basal invagination but curving sharply outward to participate
slightly in the outer sides of the dorsal cup. KR are five large
plates. There are three anal plates in the post. IR. IA rests
on the slightly oblique upper facet of post. B, so that the right
lateral side is longer than the left. “’wo smaller, almost identi-
cal ossicles rest on the truncated upper face of KA, They are
designated as anal X to the left and RX to the right, and their
upper extremities form an even, horizontal shelf.

in the largest observed specimen, only the lower por-
tions of the arms are. preserved. The largest PBr is anter-
ior in position, the PBrBr of the right and left posterior are
slightly shorter and of approximate equal length, and the PBrBr
of the right and left anterior are no longer than wide. In some
rays the first and second secundibrachs are preserved. ‘There
-s a raised keel-like ridge extending the length of the arms, with
some tendency for the keel to form a splayed effect at the apices
of PBrBr, but no decided spines are developed.

Immature crowns are known, but they are at the stage where
only ten arms are present and are of no value in determining
the eventual number of arms carried by the species. Fragmen-
tary specimens disclose a third bifurcation in some rays.

Measurements.—

Holotype Paratype
Height of dorsal cup 225 Tins 2.2 mm.*
Width of dorsal cup 7 Seas 8.2 mm.*
Length of ant. PBr _- 5-2 mm.

Remarks.—E. wanni is very similar in many respects to E.
multirami. Vhe calyx of £. wanni is more erect, and RA has
an oblique placement on the post. B.

Occurrence and horizon.Unnamed weak, sandy, limestone
layer in the upper portion of the Wann formation, Ochelata group,
Missouri series, Pennsylvanian; road cut in the S. % sec. 15,
T. 25 N., Osage County, Oklahoma.

Types.—Strimple Collection, No. 537.

Exccrinus virgilensis, n. sp. Plate 3, figs. 9, 10
Description.—Dorsal cup is shallow, truncate cone-shaped, with

* Approximately (specimen is flattened).

4 BULLETIN 133 264

the base invaginated. IBB are very small, almost entirely con-
cealed by the proximal columnal, and are confined to the de-
pressed basal area. BB are five, the proximal portions curved
tc participate in basal invagination. RK are five large elements.
Cne elongate anal plate, RA, is present within the dorsal cup,
lower extremity is very narrow and rests squarely on the trun-
cated post. B, and the upper extremity extends above the calyx
with a facet for the reception of only one plate above

All of the PBrBr are present and several SBrBr in some rays.
The PBrBr are elongate axillary elements with a keel-like ridge
extending the length of the arms.

Proximal columnals are circular in outline. Tegmen has not
been observed,

Measurements.—

Holotype
Width of dorsal cup : 9.3 mm.
Height of dorsal cup 2.5 mm.
Length of ant. PBr 5-5 mm.

Remarks.—E. virgilensis may be distinguished from other spe-
cies referred to the genus because of the single anal plate within
the dorsal cup. It is the largest form of the genus known at this
time.

Occurrence and horizon.—Nelagoney formation, Virgil series,
Pennsylvanian: SW.°4 sec. 21, 1.22 Na dR: 10m. apres.
mately 15 miles west of Skiatook, Osage County, Oklahoma.

Holotype.—Strimple Collection, No. 893.

Exocrinus pallium, n. sp. Plate 3, figs. 6-8

Description —Dorsal cup broad and shallow. [BB five, small
elements, confined to basal invagination. BB five, slightly tumid
plates, curving rapidly out of basal depression. RR five, large
elements, having an almost horizontal attitude. Articular facets
slope slightly outward. Outer ligamental area is pronounced

and denticles are present along the furrow. RA is broad, rests
obliquely on the truncated posterior B and supports two smaller
anal plates (anal X and RX) above.

Columnar cicatrix is round and pierced by a minute round
lumen, Arms and tegmen are unknown,

205 Crinoip Stupres. Parts IV, V: STRIMPLE 15
Mceasurements.—
Holotype
Width of dorsal cup 8.8 mm.
Height of dorsal cup 2.1 mm.

Remarks.—The broad, flattened appearance of the dorsal cup
and mild tumidity of BB plates distinguish FE. palliwm from other
known species referred to the genus.

Occurrence and horigon.—Just above the first limestone layer
of the Wann formation, Ochelata group, Missouri series, Penn-
sylvanian (Upper Carboniferous) ; road cut west of Ramona,
in center E. 14 sec. 25, T. 25 N., R. 12 E., Osage County, Okla-
homa.

Holotype.—Strimple Collection, No. 540.

REFERENCES

Kirk, Edwin
1942. Ampelocrinus, a new ecrinoid genus jrom the upper Mississ-
ippian. Amer. Jour. Sci., vol. 240, No. 1, pp. 22-28, pls. 1, 2.
1944. Cymbiocrinus a new inadunate crinoid genus from the up-
per Mississippian. Amer. Jour. Sei., vol. 242, pp. 233-245,
jou ale
Sirimple, Harrell L. }
1940. Stellaroerinus, new name for Whiteoerinus Strimple. Bull,
Amer. Palecnt., vol. 25, No. 92A, Addenda, pp. 1-4, pl. 1.

CRINOID STUDIES
PATE Ni
ALLosocrinus, A New Crrnow GEeNus From THE
PENNSYLVANIAN OF OKLAHOMA
ABS PRACT

A new genus, Allosocrinius, is proposed for the reception of
ait unusual Pennsylvanian crinoid described as Allosocrinus
bronaughi, n sp. Description of Ampelocrinus erectus, n. sp.

from the Chester group is also undertaken,

INTRODUCTION

Transition of known small Chester representatives of the
Ampelocrinide to the robust forms of Pennsylvanian age has

16 BULLETIN 133 266

been somewhat difficult to visualize from available literature. For.
this reason the rather robust .limpelocrinus erectus of Chester
age is presented here in conjunction with the description of l/-
lesocrinus bronaughi, n. g., n. sp. which is of Pennsylvanian age.
It should be noted that all specimens used in this study were
collected by two amateur paleontologists. Many years ago Mr.
Clauce Bronaugh, of Afton, Oklahoma, discovered the presence
of the magnificent crinoid fauna in the Fayetteville formation
outcrops lying between Vinita and Afton, Oklahoma, and has
always been: more than co-operative in placing materials into
scientific channels. Like most amateurs, Mr. Bronaugh origin-
ally collected fossils simply because he enjoyed doing so, and,
with encouragement and guidance, he has since acquired a scien-
tie approach. It has been the observation of the author that
this is not an exception but the normal transition of uninitiated
amateur to useful and worthwhile (amateur) paleontologist.

DESCRIPTION OF SPECIES

Genus AMPELOCRINUS Kirk
Ampelocrinus erectus, n. sp. Plate 4, figs. 5, 6

Description—The crown of the holotype is slightly distorted
due to compression; however, structure 1s readily determinable.
Five IBB are modest-sized elements and are erect in posture.
IB are five hexavonal-shaped plates of medium size, and that
ot the posterior is larger than the others with the upper surface
obliquely truncated for the reception of the rather large RA.
Two smaller plates are supported above the RA, that to the left
being the anal X, and the one to the right RX. Five Reame
rather large, pentagonal-shaped elements and have relatively nar-
row articular facets with strong ligamental pits in shallow liga-
mental furrows.

Ten uniserial arms are indicated, first bifurcation taking place
with PBrBrs in all rays. PBrBr, are rather large, quadrangular-
shaped plates. The articulating facets of BrBr are similar to
those of the RR.

Columnar scar is pentagonal-shaped and is crenulated. All
plates of the crown are strongly granular appearing.

207 Crinoip Stupres. Part V: STRIMPLE 17

Measurements.—
Holotype
Mm.

Height of dorsal cup Lolo*
Width of dorsal cup ss
Diameter of stem im = +ession 3.0*
Width of |. ant. B 5.0
Length of 1, ant. B 5-1
Width of r. ant. R 6.8
Length of r. ant. R Aa
Width of r. post. PBry 5-9
Length of r. post. PBry 3.1

Remarks.—-Ampelocrinus erectus has all of the characters as-

cribed to the genus. All previously described species are from
slightly older strata and are of considerably lesser stature. The
present species demonstrates increase in size which culminates
in Pennsylvanian forms assigned to the family. In addition to
its robust nature, the pronounced ornamentation serves to readily
distinguish <1. erectus from other known species.

Occurrence and horizon.—Six miles SW. of Afton, Craig
County, Oklahoma; Fayetteville formation, Chester group, upper
Mississippian.

Type.—Holotype collected by Mr. Claude Bronaugh. To. be
deposited in the U. S. National Museum.

Genus ALLOSOCRINUS, new genus

Genotype.—Alllosocrinus bronaughi, new species

Generic diagnosis.—Dorsal cup broad, bowl-shaped;_ infra-
basals (IBB) form broad disk, confined to shallow basal con-
cavity; basals (BB) large, six-sided plates except for post. B
which is truncated for a single, long anal plate (RA); radials
(RR) wider than high, five-sided plates. All calyx plates are
thick with joint surfaces crenulated. Ornamentation of cup
and arms composed of coarse, numerous granules. Primi-
brachs (PBrBr) seven or more; brachials (BrBr) thin,
regularly spaced to cuneate, fine striations from front to back
on joint surfaces. Column round in outline, alternating expand-
ed, strongly crenulated with crenulations visible in side view of
stem,

* Computed, -

1 BULLETIN. 133 208

Horizon and distribution—Missouri series, Pennsylvanian
(Upper Carboniferous) ; North America.

Remarks.—Specimens of this unusual crinoid have been known
to the author for several years from rocks of Missouri (Penn-
sylvanian) age. The single anal plate, general outline of dorsal
cup, and nature of the radial articular facets, have indicated close
relationship to Aesiocrinus Miller and Gurley (1890), to Mound-
ocrinus Strimple (1939), or Oklahomacrinus Moore (1939).
Both Moundocrinus and Oklahomacrinus appear to be direct de-
rivatives of Alesiocrinus. However, the former genus has been
considered by most authors as synonymous with Aesiocrinus, yet
the later genus is accepted as valid. Such considerations only
lead to confusion, and, since the evidence does indicate need for
generic division between these forms, this author accepts Okla-
homacrinus as a valid genus and reiterates the validity of Mownd-
ocrinus. Two factors serve to readily distinguish Moundocrinus
from Aesiocrinus, 1. e., the single anal plate (RA) is followed by
a single tegmen plate (in Aesiocrinus two plates are present*
which may be identified as anal X to the left and RX to the
right), and the articular facets of RR are quite narrow as com-
pared to the shelflike facets of deszocrinus.

In general calyx structure Allosocrinus is closer to Moundo-
crinus than any other described form. However, the later genus
is known to have ten arms which bifurcate with the second
PBrBr and has a column with’a pentagonal, outline. Articula-
tion between BrBr of Allosocrinus is not comparable to any
known Pennsylvanian form but is found in Poteriocrinites and
Rhabdocrinus Wright (1944), both of Lower Carboniferous
(Mississippian) age.

Allosocrinus bronaughi, n. sp. Plate 4, figs. 1-4

Material.—Nine dorsal cups including several specimens with

arm ossicles attached and numerous dissociated plates.
Remarks.—The generic characteristics previously given are

based on A. bronaughi and are not repeated here. It might be

noted that a plicated border is found between IBB and BB. First

*See, Strimple (1948), Jour. Paleont., vol. 22, No. 4, for discussion of
this type of developmental trend in the post. IR.

269 Crinoip StuprEs. Part V: STRIMPLE 19

primibrach almost covers the entire width of radial and the un-
der facet has a cross ridge almost identical to that of the radial
articulating facet. However, the upper face of each PBrbr is
considerably restricted in width and has a pattern of fine stria-
tions which converge toward the center of the inner edge. Some
striations are seen to bifurcate. ‘The five arms taper rapidly.

Occurrence and horizon—Wann formation, Ochelata group,
Missouri series, Pennsylvanian (Upper Carboniferous) ; 3 miles
west of Ramona; 144 miles west of Ochelata; the Mound just
west of Bartlesville; road cut just west of Bartlesville Municipal
Airport, all in Osage and Washington counties, Oklahoma,

Types.—Holotype, Strimple Collection, No. 884; paratypes,
Strimple Collection, Nos. 885-892.

Measurements.—
Holotype Paratype
No. 884 No. 885
Mm. Mm.

Width of dorsal cup 22450 19.07
Width at dorsal cup 10.0 9.0°
Width of arms at base 10.3 10.3
Width of arms at summit

of PBry 8.8 6.3
Width of arms at summit

of PBr; Not known A.I
Width of IBB circlet 7.0 Not known
Diameter of proximal

columnal 2.6 i i
Length of BB 10.2 8.0
Width of BB 10.3 9.0
Height of RR 75 75
Width of RR 14.0 10.8
Length of RA 7.0 Not known
Width of RA (Maximum) 4.7 is a

1, Average.
2 Estimated.

20 BULLETIN 133 270

REFERENCES

Bassler, R. S., and Moody, Margaret W.
1943. Bibliographic and faunal index of Paleozoic pelmatozoan
echinoderms. Geol. Soe. Amer., Special Paper, No. 45.
Kirk, Edwin
1942. Ampelocrinus, @ new crinoid genus [rom the upper Mississ-
ippian. Amer. Jour. Sci., vol. 240, pp. 22-28, pls. 1, 2.
Miller, J.
1821. A natural history of the Crinoidea. Bristol, pp. 14, 67.
Miller, S. A., and Gurley, W. F. E.
1890, Descriptions of some new genera and species of Eehino-
dermata. Jour. Cineinn. Soe, Nat. Hist., vol. xiii, p. 14.
Moore, Raymond C.
1939. New crinoids from Upper Pennsylvanian and Lower Perim-
ian rocks of Oklahoma, Kansas and Nebraska. Denison Uniy.
Bull., Jour. Sei. Lab., vol, xxxiv, 6, pp. 255-257.
Moore, R. C., and Plummer, F. B.
1940. Crinoids from the upper Carboniferous and Permian strata
in Teaas. Univ. Texas, Pub, No. 3945.
Strimple, Harrell L.
1939. A group of Pennsylvanian crinoids from the vicinity of
Bartlesville, Oklahoma, Bull. Amer. Paleont., vol, 24, (No:
Sie pe LOS ple nosso, Gecmadl0:
1948. Noles on Phanoerinus from (he Fayetteville formation of
northeastern Oklahoma. Jour. Paleont., vol. 22, No. 4, pp.
491-492, text figs. 1-8.
Wright, James
1944. Rhabdoerinus, n. g. from the Scottish Carboniferous lime-
stone. Geol. Mag., vol. Ixxxi, No, 6, pp. 266-271, pl. 10-11.

a)

ERINOID- STUDIES
PARADE
ALLAGECRINUS CoPpaANt, NEw Species From THE
PENNSYLVANIAN OF OKLAHOMA
ABSTRACT

Description of Allagecrinus copani, n. sp. provides us with ex-
citing new material which should assist considerably in the event-
ual understanding of the allagecrinids.

INTRODUCTION

A magnificent crown found by the author in the spring of 1948
provided the desired holotype for description — of lllagecrinus
copani, new species which is now supported by some 14 crowns
and 12 calices, The species will be most valuable in the eventual

27 Crinoip Strupres. Part VI: StTRIMPLE 21

complete understanding of this unique group of crinoids, because
it is considerably larger than any other previously described spe-
cies of Allagecrinus. In fact, it is comparable in size to many
catillocrinids and has an appearance not greatly dissimilar to
some synbathocrinids. A comprehensive study is not undertaken
for considerable undescribed material is known to exist which
might modify any conclusions arrived at on the basis of exist-
ing literature.

DESCRIPTIONIOR SFE CIES
Genus ALLAGECRINUS Carpenter and Etheridge
Allagecrinus copani, n. sp. Plate 5, figs. 1-7

Description.—Dorsal cup high, mildly lobate. Three BB form
the base which ts visible in side view of the dorsal cup. Five
Kk are large plates of unequal size and that of the posterior has
a notch on the left shoulder which carries the brachial-like anal
plate. The anal plate is elongate and supports a small triangu-
lar-shaped plate on its upper surface.

The arms are of extraordinary length and are composed of
stout brachials of moderate length. L. post. R and 1. ant. R
-arry two arms with those to the right more robust than those
to the left. All other RR carry a single arm and the r. post. R
and 1. ant. Rk possess the most robust rami.

The dorsal cup is mildly granular appearing under magnifica-
tion. All brachials are granular appearing, Proximal colum-
nals are thin elements having a circular outline and a minute
round lumen.

Measurements.—

Holotype
Mm.
Overall length of crown 45.9
Height of dorsal cup oy
Width of dorsal cup 5.3
Width of BB circlet 27,

Remarks.—The robust, high calyx of «1. copani and presence
of only seven stout arms serve to readily distinguish the species
from other described forms. Some paratypes possess the elong-

22 BULLETIN 133 272

ate second brachial in the r. post. and 1. ant. rays which is typical
ot Allagecrinus bassleri Strimple. However, that species has a
broad low cup and carries more numerous rami. A small species,
similar to A. bassleri in general structure, present in the same
strata with 4. copani has made a complete study of the growth
stages impossible at this time.

Occurrence and horizon.—Two and one-fourth miles NE. of
Copan, Washington County, Oklahoma; unnamed shale some
30 feet above the Torpedo sandstone formation, Ochelata group,
Missouri series, Pennsylvanian,

Types.—Collected by Mr. and Mrs. H. L. Strimple. To be
deposited in the U. S. National Museum.

REFERENCE

Strimple, Harrell L.
1938. A group of crinoids from the Pennsylvanian of iortheast-
ern Oklahoma, Private Publ., Bartlesville, Oklahoma, pp. 1-10,

TOS) LS
CRINOID: STUDIES
Part VII
New Species Or Crinoips From SOUTHEASTERN KANSAS
ABSTRACT

Three new sprcies of delocrinids are described as Delocrinus
extraneous, n. sp., D. separatus, n. sp. and Endelocrinus petalosus,
n. sp., all from the Stull shale, Virgil series. An interesting form
from the lola limestone, Missouri series, is described as Ulo-
crinus caverna, Nn. sp.

INTRODUCTION

Further studies of the unusually well-preserved crinoids col-
lected by Allen Graffham from Pennsylvanian rocks of Kansas
have disclosed the need for several additional new species. At
this time three new delocrinids from the Stull shale formation
are described as Delocrinus extraneous, n. sp., Delocrinus separ-
atus, n. sp., and Endelocrinus petalosus, n. sp. Also described
is Ulocrinus caverna, n. sp. from the Iola limestone formation.

The last named species is considered by the author to be a
vital factor in comprehensive understanding of the ulocrinid-
cromyocrinid group. Close relationship to Ulocrinus blairi

273 Crinoi Stupres. Part VIT: Stripe 2

,
wy

Miller and Gurley is obvious, and since that species was taken
as the genotype for Parulocrinus Moore and Plummer which has
been referred by this author* to synonymy with Ulocrinus, the
present form is of considerable interest. Close examination of
U. blairi shows that the IBB are slightly upflared in attitude.
In preservation the base of that species has the appearance of
being flat. The main justification for establishment of Parulo-
crinus was the position of the IBB. It is recognized by the au-
thor that genera distinct from Ulocrinus do exist in the group as
exemplified by such species as Ethelocrinus marquisi (Moore
and Plummer) where the arm structure is different from that
ot Ulocrinus, and the basal area is distinct.

So TEMATIG DESERIPTIONS

Genus ULOCRINUS Miller and Gurley, 1890
Ulocrinus caverna, n. sp. Plate 6, figs. 5-8

Description—The dorsal cup is almost spherical in outline
except for the protrusion of the post. IR, particularly in the
area occupied by the RA, and a similar bulge of the area about
the |. ant. B. Five IBB form a slightly upflared disk. Five
large BB have hexagonal outlines except where affected by the
two anal plates. RR are five pentagonal-shaped elements hav-
ing horizontally developed articular facets. Anal X is large and
rests solidly on post. B with the quadrangular-shaped RA
lying obliquely to the right below. No RX is present.

Sutures between cup plates are not impressed but are out-
lined by fine continuous ridges. The calyx plates are smooth
but under magnification are seen to be mildly granulose. Col-
ummnar scar is circular in outline, heavily crenulated, and is
pierced by a pentalobate lumen. Arms have not been observed.

Measurements.—

- Holotype
Mm.
Greatest width of dorsal cup 20.5
Greatest width of cup at summit 18.7
Height of dorsal cup cA. 7
Width of IBB circlet 11.0

*Strimple, Harrell L., Paleont. Amer., vol. IIT, No. 23 in press, 1949.

24 3ULLETIN 133 274

Width of 1. post. B 10.7
Width of columnar scar 3.5
Length of 1. post. B g.1
Length of suture between BB 5-3
Width of 1. ant. R 10.6
Length of |. ant. R 6.3
Length of suture between RR Bei
Width of body opening (approximate) 10.4

Remarks.—Vhis species is similar to Ulocrinus blairi Miller
and Gurley but is readily separated by the smaller size and the
swelling of the dorsal cup both in the region occupied by the
RA and the opposite |. ant. B. Apparently the loop of the gut
in this species exerted strong pressure on the dorsal cup at both
of those points. The IBB are slightly raised about the columnar
scar in U. caverna.

Occurrence and horizon.—lola Cement Quarry, near JIola,
Kansas; Iola limestone formation, Kansas City group, Missouri
series, Pennsylvanian.

Holotype—Collected by Allen Graffham. To be deposited
in the U. S. National Museum.

Genus ENDELOCRINUS Moore and Plummer, 1940

Endelocrinus petalcsus, n. sp. Plate 6, figs. 1-4

Description.—Dorsal cup is low and wide, with basal area
invaginated. Five small, downflared IBB form the greater part
ot the basal concavity. Hive large, petal-like BB form a large
disk having the appearance of a flower. Post. B is unusually
‘cng and is squarely truncated for the reception of the single ro-
bust anal plate. KR are broad pentagonal-shaped plates and are
mildly bulged in midsection of the area below the outer liga-
mental processes. Articular facets are well-defined horizontal
shelves. Anal X is broad and bulbous appearing with only a
small portion extending above the upper limits of the cup.

Columnar scar is circular in outline and is rather large. There
are minute but sharp inflections of the borders of RR and BB
at the angles of meeting creating dimplelike depressions, Other
than the swollen appezrance cf cup plates there is no pronounced
ornamentation, though granulose appearance is detected under
magnification, Arms are unknown,

275 Crinoip Stupies. Part VII: StrimpLe

to
on

Measurements.—
Holotype

Mm.
Greatest width of dorsal cup 18.5
Width of cup at summit 16.2
Height of cup 6.1
Height of basal concavity 25
Width of IBB circlet 4.5
Length of |. p. B 8.2
Width of 1. p. B 6.1
Length of suture between BB 4.1
Length of 1. a. R ay
Width of 1. a. R 10.2
Length of suture between RR 2.4
Width of columnar scar 223

Remarks.—E. texanus (Weller) from lower Permian~ strata
is the only described species closely approaching F. petalosus,
and it has a larger basal concavity, lateral sides of the cup are
steeper, and the narrow post. IR is quite different from the pres-
ent species,

Occurrence and horizon—NW. % sec. 33, T. 17 S. R. 16 E,
2 miles NW. of Melvern, Kansas; Stull shale formation, Shaw-
nee group, Virgil series, upper Pennsylvanian.

Holotype.—Col pe by Mr. Allen Graffham. To be de-
posited in the U. S. National Museum.

Genus DELOCRINUS Miller and Gurley, 1890

Delocrinus extraneous, n. sp. Plate 7, figs. 1-3

Description —The dorsal cup is robust appearing and high,
with a relatively shallow basal invagination. IBB are five small
elements forming a disk almost entirely obscured by the large
proximal columnal. BP are five large plates that sweep out of
the basal well. The median portion of each basal is mildly de-
pressed so that only five points of the cup are actually in con-
tact with the basal plane, Post. B is truncated for the reception
of anal X. RR are five large pentagonal plates. Articular
facets are broad, horizontal shelves showing very shallow muscle
fossee and have narrow outer ligamental pits. Post. IR is mild-

26 + BULLETNI. 133 276

ly depressed and is occupied by an elongate, pentagonal-shaped
anal X. Sutures between calyx plates are not impressed. How-
ever, there is a shallow zroove on each side of the sutures.

Cup plates are unornamented. Arms are unknown. Prox-
imal columnals are large, circular in outline, and are pierced by
a minute lumen.

Measurements.—

Holotype

Mm.
Maximum width of dorsal cup 22.9
Height of dorsal cup 10.3
Length of r. post. B 127
Width of r. post. B 12.0
Length of r. ant. R 9.8
Width of r. ant. R 15.7
Length of anal X 7k
Maximum width of anal X Bey
Diameter of proximal columnal 4.7
Height of basal concavity 1.9

Remarks —The robust size and deep cup of D. extraneous
are distinctive. Together with the large column and depressed
median portion of each RR, these characters are sufficient to
distinguish the species from other described representatives of
the genus.

Occurrence and horizon.—Stull shale, Shawnee group, Vir-
gil series, upper Pennsylvanian; near Melvern, Kansas.

_ Holotype.—Collected by Mr. Allen. Graffham. To be de-
posited in the U. S. National Museum.

Delocrinus separatus, n. sp. Plate 7, figs. 4-7

Description.—The dorsal cup is broad, shallow, and has only
the hint of a basal concavity. IBB are five small plates form-
ing a modest-sized pentagonal disk in the shallow, depressed
basal area. Five large BB form a large star-shaped disk. Post.
B is unusually elongate and is evenly truncated for the recep-
tion of anal X which plate is missing in the holotype. RR are

ee

277. CrINoip Stupres. Part VII: Strimpie 27

five widely appearing elements having rather distinctive articular
facets. Outer ligamental slits are not readily visible in side
view of the cup. The median portion of each facet is strongly
depressed and muscle scars are hardly discernible.

Proximal columnal is small, round, and is pierced by a minute
round lumen. All cup plates are delicately granular. Arms
are not known.

Measurements.—
‘ Holotype

a Mm.
7 Maximum width of dorsal cup 26.0
Height of dorsal cup 8.2
Length of r. post. B 12.0
Width of r. post. B 10.0
Length of r. ant. R 8.8
Width of r. ant. R 16.1
Diameter of IBB circlet 5.60
Diameter of proximal columnal 253
Height of basal concavity 0.8

Remarks.—Delocrinus separatus has ornamentation similar to
that of D. stullensis Strimple. The present species has a broader
base and lacks the well-like basal invagination found in D. stullen-
SIS,

Occurrence and horizon.—Stull shale, Shawnee group, Vir-
gil series, upper Pennsylvanian; near Melvern, Kansas.

Holotype.—Collected by Mr. Allen Graffham. To be de-
posited in the U. S. National Museum.

REFERENCES

Moore, Raymond C., and Plummer, F. B.

1940. Crinoids from the Upper Carboniferous and Permian
strata in Texas. Univ. Texas, Pub. 3945, pp. 9-468, pls, 1-21.

Strimple, Harrell L.

1947. Three new crinoid species from the Virgil series of
southeastern Kansas. Bull. Amer. Paleont., vol, 31, No. 124,
pp. 1-7, pl. 1-2.

1949. Studies of Carboniferous crinoids. Part I, A group of
Pennsylvanian crinoids from the Ardmore Basin, Paleont,
Amer., vol. III, No. 23, in press.

2& BULLETIN 133 278

ERRATUM
Bull. Amer. Paleont., vol. 31, No. 24, 19047;— Three New
Crinoid Species from the Virgil series of Southeastern Kansas,
by Harrell L. Strimple, “Explanation of Plate 2, figs. 5 and 6,—
natural size,” should read “2/3 natural size.”

PLATES

PLATE 1 (33)

30 BULLETIN 133

EXPLANATION OF PLATE 1 (33)

Figure

1-10. Apographiocrinus arcuatus, n. sp. :
Figs. 1-4. Basal view, summit view, “posterior view “and
anterior view of holotype, No. 895. 5. Basal view of
paratype, No. 895c, to show column. 6, 7. Anterior and
posterior view of a paratype. 8, 9. Posterior and an-
terior view of paratype, No. 895a. 10. Anterior view of
paratype, No, 895b.

All figures enlarged approximately two times.

280

Page

PL. 33, VOL. 32 BULL. AMER. PALEONT. No. 133, Pu. 1

PAE. 2634)

(o>)
to

7 ~ 7a
Figure

BULLETIN 133 282
EXPLANATION OF PLATE 2 (34)
Page
Exocrinus wanni, n. sp. eee : nl. tS ee em,
Ing, 1. Posterior view of paratype, 3. 2. Basal view,
s | YI ?
>< oe
Exocrinus desmoinesensis, n. sp. : see 12
Figs. 3, 4, 8. Basal, summit, and posterior views of
5S )
holotype, X34.
Exocrinus multirami, n. sp. 10

Fig. 5. Anterior view of paratype, <3. 6, 7. Right pos-
terior and right anterior views of holotype, X34.

No. 133, Pu. 2

BuLuL. AMER. PALEONT.

Pu. 34, VOL. 32

PLATE, 37(35)

34

BULLETIN 133

EXPLANATION OF PLATE 3 (35)

Exocrinus wanni, n. sp.

Summit, posterior, and basal views of. holotype.

1,2 X34, fig. 3 X3.

Exocrinus Siereaal n. sp.

Summit and basal views of young 7 paratype, x2. ws

X38.

Exocrinus pallium, n. sp.

Basal, summit, and posterior views of holotype,

Exocrinus virgilensis, n. sp.

Posterior and anterior views of ‘holotype, ae.

Figs.

284

Page
12

10
14

13

Pu. 35, VoL. 32 Buu. AMER. PALEONT. No. 133, Pu. 3

PLATE 4 (36)

36 BULLETIN. 133 286

EXPLANATION OF PLATE 4 (36)
Figure Page

1-4. Allosocrinus bronaughi, n. sp. : ae oils:
Figs. 1-3. Basal, summit, and posterior views sof holotype.
rn Anterior view of paratype, Strimple Collection, No,
885. Wann formation, Ochelata group, Missouri se-
ries, Pennsylvanian.
5, 6. ee erectus, ne Sp. 2 ery ills:
Figs. 5-6, Anterior and posterior views of holotype. Fay-
etteville formation, Chester group, upper Mississippian.

All figures enlarged approximately two times.

Pu. 36, VOL. 32 BuLL. AMER. PALEONT. No. 133, Pu. 4

PARES s (37)

38 BULLETIN 133 288

EXPLANATION OF PLATE 5 (37)

Figure Page

1-7. Allagecrinus copani, n. sp. —_— ae near eee aoe I
Figs. 1, 5, Posterior and summit views of a paratype, 6.
hig. 2, Posterior view of lower portion of crown, holo-
type, <4. Figs. 4-7, Left anterior, posterior, anterior, and
right anterior views of holotype, X2.

a
Z
ie)
<3
|
<{
Ay
64
i>)
Le
cl
a
4
Hi
=
a

PLATE 6 (38)

40 BULLETIN 133 290

ExPLANATION OF PLATE 6 (38)

Figure Page

1-4. Endelocrinus petalosus, n. sp. agech ci) A er
Figs. 1-4. Holotype viewed from posterior, summit, base,
and anterior, X2.
5-8. Wlocrinus caverna,on.ysp. ee eee eee 23
Figs. 5-8. Holotype viewed from anterior, base, summit,
and posterior, X2 2/5 except fig. 8 which is X1 3/5.

Pu. 38, VOL. 32 Buu. AMER. PALEONT. No. 133, Pu. 6

eet

PEAGE 7.39)

42 3ULLETIN 133 202

EXPLANATION OF PLatTE 7 (39)

nS .
Figure Page

1-3. Delocrinus extraneous, n. sp. ~ ie a Ce ee Bene SS: 2 2 NE 2D
Figs. 1-3, Holotype viewed from the posterior, summit,
and base, <2.
4-7. Delocrinus;separatuss om. (Spel pe ee
Figs. 4-7. Holotype viewed from the anterior, summit, pos-
terior, and base, 2.

Pu. 39, VOL. 32 Buu. AMER. PALEONT. INONS os etend

MUS. COMP. Z00L
LIBRARY
JUN -—'¢ 1949

HARVARD
UNIVERSITY

INDEX

(Exclusive of Number 131)

Note:—Numbers (generally low) in the left hand column of
figures refer to the volume plate number and those in the right
hand column refer to the volume paging.

A
accola, Phragmoceras
Actinopteria
Aesiocrinus
Allagecrinus
Allosocrinus
Ampelocrinus
Amphicyrtoceras
angulatus,Apographiocrinus 4
Apographiocrinus
arcuatus, Apographiocrinus 33
Armenoceras

bassleri, Allagecrinus
blairi, Ulocrinus
bollmanx, Hexameroceras 2
boydi, Actinopteria
bronaughi, Allosocrinus
bulbosus, gietacilicer nus Lee

ealycinus, Apographiocrinus
calyx, Phanocrinus
carbonarius, Amphicrinus __
carinatus, Tropidoleptus ___~
caverna, Ulocrinus
chaeze, Mandaloceras
constellatus, Allagecrinus ___
copani, Allagecrinus 37
corallophilum, Phragmoceras

Tetrameroceras

Dawsonoceras E
decoratus, Apographiocrinus
decussata, Actinopteria
Delocrinus
desmoinesensis, Exocrinus 33
dignatus, oeecr ts

Endelocrinus
erectus, Ampelocrinus __
exculptus, Apographiocrinus
Exocrinus
extraneous, Delacrinus 218)

facetus, Apographiocrinus ___
clower, R. H.
Brevicones from the New
York Silurian
Foersteoceras

Galateacrinus
-gebhardi, Mitroceras
gibbosum, Oncoceras
globularis, Ureocrinus
Gomphoceras
graffhami, sale econinus 2283

Mexameroceras, = 92-52 =

Evid reLronocrinus 2225") 5-=-— 5

jewetti, Gomphoceras --__ 1
K

Knapp, Ezra Babcock
frontispiece

» 209
272, 275

24

3,5

241-247

293

knappi, Flethomytilus ___ 32
kKonineki, Zeacrinus _______-
kkylensis, Allagecrinus

L

litchfieldensis,

Phragmocerina 29----/== 2

obtusus; Apographiociinus 2
oconellze, Dawsonoceras _

GCklahomacrinus Boe
Oncoceras
O.:moceras
Orthoceras

pallium, Exocrinus
Parulocrinus

Phragmocerina
Plethomytilus
Poteriocrinites
Pristeroceras

quietus, Apographiocrinus 2
R

Riad ocrinvs yee meee

rotundus, Apographiccrinus 2

ruedemanni, Gomphoceras

Ss

separatus, Delocrinus ___ 39
Septameroceras _______ °_| |
Smith, Burnett

Holotype of Mytilarca

(Plethomytilus) knappd

with a note on Ezra Babcock

1 AY) 0) 3) ey a I Seg Ee

Strimple, H. L.

Crinoid Studies. Part I __
Two New Species of Allege-
crinus from the Pennsyl-
vanian of Kansas and
Texas) 22. oi Pa eae

Crinoid Studies. Part II ____
Apographiocrinus from the
Altamont Limestone of
Of&!-homa :

243-247
21
17

4,9

3, 4

4

273

20

3

268

259, 260
243-245

20, 22
3

268

3

3

3
3, 10

Crinoid Studies. Part III ___
Apographiocrinus arcuatus,
New Species from _ the
Missouri Series of Okla-
noma) 5. eee te. eee

Crinoid Studies. Part IV ___
Exocrinus, New Genus from
the Pennsylvanian of
Cklahoma

Crinoid Studies. Part V __ __
Allosocrinus, a New Crinoid
Genus from the Pennsyl-
vanian of Oklahoma
Crinoid Studies. Part VI —---
Allagecrinus copani, New
Species from the Pennsyl-
vanian of Oklahoma

Crinoid Studies. Part VII -_
New Species of Crinoids
from Southeastern Kansas

VOLUME XXXII

255

stullensis, Delocrinus
subhemisphericus, Delocrinus
subrectum, Herkimeroceras__

Oncoceras

Tetrameroceras
texanus, Ethelocrinus
timidium, Pristeroceras _____
iropidoleptus) =222 2 =— ==
turbinatum, Foersteoceras __
typicalis, Apoeraphiccn ls

Wlocrinus! 2245s Seo eee
Ureocrinus 22-22: 3) tess
vicinus, ‘Orthoceras 2222222
virgilensis, Exocrinus ____ 34
Ww
wanni, Exocrinus ___ __33, 34

3
259, 263

262

Date Due

ae
ni ee ee

Tl

3 204

Harvard MCZ Lib

UOC

4 066 305 384

canthomrtertonie,

Re sienna,

> a Loe =

reborn
esdaipingminsarasiuen