and David J. Sivete

5, Part 2; 22nd Decemb©#4978

A Stereo -Atlas of

edited by R.H. Bate! J. W.

stracod Shells

^Lesley M. Sheppard

Volu

Published by The Britisn Micfopalaeontological Society
in association with Robertson Research Interrmtioijial Ltd., Llandudno, Wales

Editors

Dr. R.H. Bate, Department of Palaeontology, British Museum (Natural History), Cromwell Road.
London SW7 5BD.

Dr. J.W. Neale, Department of Geology, The University, Hull HU6 7RH.

Ms. Lesley M. Sheppard, Department of Palaeontology, British Museum (Natural History),
Cromwell Road, London SW7 5BD.

Dr. David J. Siveter, Department of Geology, The University, Leicester LEI 7RH.

Editorial Board

Dr. Richard H. Benson, Smithsonian Institution, Washington, D.C., 20560. U.S.A.

Dr. Alwine Bertels, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires,

Argentina.

Dr. K. Ishizaki, Institute of Geology and Paleontology, Tohoku University, Sendai, Japan.

Dr. C.W. Haskins, Robertson Research International Limited, ‘Ty’n-y-Coed’, Llanrhos, Llandudno,
N. Wales, LL30 ISA.

Dr. P.J. Jones, Bureau of Mineral Resources, P.O. Box 378, Canberra City, A.C.T 2601 , Australia.
Prof. Dr. E. Kempf, Geologisches Institut der Universitat Koln, Zulpicher Strasse 49, D-5 Koln 1,
German Federal Republic.

Dr. H.J. Oertli, S.N.P.A., Centre de Recherches, 64001 Pau, France.

Prof. G. Ruggieri, Instituto e Museo di Geologia delTUniversita di Palermo, Corso Tukory, 131,
90134 Palermo, Italy.

Mr. P.F. Sherrington, Petro-Canada, P.O. Box 2844, Calgary, Alberta T2P 2M7, Canada.

Instructions to Authors

Contributions illustrated by scanning electron micrographs of Ostracoda in stereo-pairs are invited.
Full instructions may be obtained on request from any one of the Editors or Editorial Board. Format
should follow the style set by the majority of papers in this issue. Descriptive matter apart from
illustrations should be cut to a minimum; preferably each plate should be accompanied by one page
of text only. Blanks to aid in mounting figures for plates may be obtained from the Editors.
Completed papers should be sent to Ms. L.M. Sheppard, Department of Palaeontology, British
Museum (Natural History), Cromwell Road, London SW7 5BD.

Acknowledgments

This Volume of the Stereo-Atlas has been aided by generous financial support from Robertson
Research International Limited.

Stereo -viewing for users of the Atlas

In order to obtain maximum information and benefit from the use of the Stereo-Atlas it is essential
that the user view the micrographs stereoscopically. Small pocket-sized stereo-viewers are most
suitable for this purpose. Two suppliers are:

C.F. Casella & Co. Ltd., Regent House, Britannia Walk, London N1 TND.and
Air Photo Supply Corpn., 1 58 South Station, Yonkers, New York 1 0705 . U.S.A.

The front cover shows a male carapace (dorsal view) of Pterygocy thereis jonesii (Baird, 1850).

PlatPQ nrintprl Vw Thp Rm^rlu/^tpr Ptpqq I trl Wplwvn Carfipn Citv Herts.. England.

Stereo-Atlas of Ostracod Shells 5 (12) 81 - 88 (1978) Lesley a bathonica (1 of 8)

595.337.14 (1 16.222) (425.72:162.002.5 1) : 551.351 + 552.52

ON LESLEY A BATHONICA BATE gen. et sp. nov.

by Raymond H. Bate

(British Museum [Natural History] , London)

Genus LESLEY A gen. nov.

Type species: Lesley a bathonica sp. nov.

Gender: Feminine.

Derivation of name: After Lesley Sheppard, my colleague working on Jurassic ostracods.

Diagnosis: Genus of Trachycytheridae having quadrate to rectangular outline in lateral view: dimorphic. Carapace
compressed in dorsal view. Shell ornamented with ridges, small terminal nodes and distinct eye node.
Hinge weakly entomodont. Radial pore canals straight, few in number. Inner margin and line of
concrescence coincide. Muscle scars having four adductor scars, antero-ventral mandibular scar and large
antero-dorsal frontal scar composed of single, large, elongate scar with smaller, anterior, subsidiary scar.
Left valve slightly larger than right.

Explanation of Plate 5, 82

Fig. 1, 9 LV, ext. lat. (holotype, OS 10918, 530 long); fig. 2, 6 LV, ext. lat. (paratype, OS 10919, 580 long); fig. 3,
juv. LV, ext. lat. (paratype, OS 10922, 490 long).

Scale A (100 /im; x 118), fig. 1 ; scale B (100 ^m; x 103), fig. 2;scale C (100 ^m; x 122), fig. 3.

.*--1-1-.

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Stereo-Atlas of Ostracod Shells 5, 83

Lesley a bathonica (3 of 8)

Remarks: Lesleya bears some external resemblance to Oligocythereis Sylvester-Bradley and it is possible that, as in
Oligocythereis, the frontal scar may be V-shaped in some individuals according to preservation. Lesleya ,
however, differs in lacking the external muscle scar node of the Trachyleberididae and by having simple,
straight radial pore canals fewer in number than exists for Oligocythereis. For these reasons Lesleya
cannot be placed in the Trachyleberididae and appears to fit naturally into the Trachycytheridae. Lesleya
is presently monotypic, the type species: L. bathonica being restricted to the White Limestone/Forest
Marble horizon of the Upper Bathonian.

Lesleya bathonica sp. nov.

Holotype: Brit. Mus. (Nat. Hist.) OS. 10918, 9 L.V.

[Paratypes: Brit. Mus. (Nat. Hist.) OS 10919 - 10940] .

Type locality: Middle Jurassic, Upper Bathonian, ostracod Zone 6, Wychwood Beds, Forest Marble, Old Cement Quarry,
Kirtlington, Oxfordshire, England. Grid Ref.:SP 49451985.

Figured specimens: Brit. Mus. (Nat. Hist.) OS.10918 (holotype, 9 LV: PL 5, 82, fig. 1), OS. 10919 (6 LV: PL 5, 82, fig. 2),
OS. 10920 (9 RV: PI. 5, 84, fig. 1; rad. pore can.: Text-fig. IB), OS.10921 (<J RV: PI. 5, 84, fig. 2),
OS. 10922 (juv. LV: PI. 5, 82, fig. 3), OS.10923 (9 RV: PI. 5, 86, fig. 1; PI. 5, 88, fig. 4), OS. 10924 (6
car.: PI. 5, 84, fig. 3), OS.10925 (9 LV: PL 5, 86, fig. 1), OS. 10926 (9 car.: PI. 5, 88, fig. 1), OS.10927
(9 RV: PI. 5, 88, fig. 2), OS. 10928 (9 LV: PI. 5, 86, fig. 3), OS.10929 (6 LV: PI. 5, 88, fig. 3), OS.10930
(9 LV; muse, sc.: Text-fig. 1A).

Explanation of Plate 5, 84

Fig. 1 , 9 RV, ext. lat. (paratype, OS 10920, 5 10 p m long); fig. 2, 6 RV, ext. lat. (paratype, OS 10921, 560 pm long); fig. 3, 6
car. dors, (paratype, OS 10924, 540 pm long).

Scale A (100 pm\ x 117), fig. 1 ; scale B (100 pm\ x 110), figs. 2, 3.

Stereo-Atlas of Ostracod Shells 5, 82

Lesleya bathonica (2 of 8)

Lesleya bathonica (4 of 8)

Stereo-Atlas of Ostracod Shells 5, 84

I

L

1

-

Stereo-Atlas of Ostracod Shells 5, 85 Lesleya bathonica (5 of 8)

Diagnosis: Carapace small, dimorphic; strikingly ornamented with prominent anterior ridge that runs, in adults, from
eye node, round anterior margin, to extend back along ventro-lateral margin; juveniles often have
incomplete anterior ridge; short, curved, postero-dorsal ridge projects above dorsal margin. Shell surface
smooth, small nodes sometimes present at anterior and posterior ends. Approximately seven anterior
radial pore canals. Muscle scars as for genus. Normal pore canals simple. Left valve overlaps right along
ventral margin.

Remarks: Lesleya bathonica is a small but striking ostracod that is restricted to the Upper Bathonian (Range: top of
White Limestone to Wychwood Beds of the Forest Marble) of the Oxfordshire Area. Ecologically the
species appears to inhabit those levels of the Upper Bathonian that were deposited in shallow water, close
to land and where fresh-water ostracods are associated (washed-in?) with a more marine fauna. It is
possible, therefore, that conditions of deposition were not fully marine and could have been brackish.
Interestingly the three localities from which Lesleya bathonica has been recorded; Croughton,
Kirtlington and Milton-under-Wychwood all lie on a NE-SW line that was probably close to the old
Jurassic shoreline.

Explanation of Plate 5, 86

Fig. 1, 9 RV. int. lat. (paratype, OS 10923, 520 //m long); fig. 2, 9 LV. int. lat. (paratype, OS 10925, 500 long);fig. 3, <3
LV, ext. lat. (paratype, OS 10928, 570 /urn long).

Scale A (100 ^m; x 115), fig. 1 ; scale B ( 100 /^m; x 1 20), fig. 2; scale C (1 00 /am: x 105), fig. 3.

7 , T TT

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+ ■

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Stereo-Atlas of Ostracod Shells 5, 87

Lesleya bathonica (7 of 8)

Anterior radial pore canals, paratype OS 10920, female
right valve, length 510 ^m. Forest Marble, Kirtlington,
Oxfordshire.

Explanation of Plate 5, 88

Fig. 1 , 9 car. vent, (paratype, OS 10926, 544 /um long); fig. 2, 9 RV, ext. lat. (paratype, OS 10927, 493 /i m long); fig. 3, 6 LV,
hinge (paratype, OS 10929); fig. 4, 9 RV, hinge (paratype, OS 10923).

Scale A (100 ^m; x 110), fig. 1 ; scale B (100 /um] x 1 20), fig. 2; scale C (100 /um] x 115), figs. 3, 4.

Stereo-Atlas of Ostracod Shells 5, 86

Lesleya bathonica (6 of 8)

Stereo-Atlas of Ostracod Shells 5, 88

Lesleya bathonica (8 of 8)

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Stereo-Atlas of Ostracod Shells 5 (13) 89 - 96 (1978) Micropneumatocy there brendae (1 of 8)

595.337.14 (1 16.222) (423.8 : 162.003.51) : 551.351 + 552.52

ON MICROPNEUMATOCYTHERE BRENDAE SHEPPARD sp. nov.

by Lesley M. Sheppard
(British Museum [. Natural History ], London)

Micropneumatocy there brendae sp. nov.

1978 Micropneumatocythere sp. A; R.H. Bate, in: A stratigraphical Index of British Ostracoda, Seel House Press, Liverpool, 234,
pi. 5, figs. 8 - 10, 15, 16.

Holotype: Inst. Geol. Sci. MPK 2168, 9 LV.

[Paratypes: Inst. Geol. Sci. MPK 2169 - 2181] .

Type locality: Upper Fuller’s Earth, Bathonian; Swainswick Borehole, depth 23.00 - 24.90m, Somerset, England. Grid
Ref.: ST 75766907.

Derivation of name: After Brenda Coleman of the Institute of Geological Sciences.

Explanation of Plate 5, 90

Fig. 1 , 9 LV, ext. lat. (holotype, MPK 2168, 459 pm long); fig. 2, 9 RV, ext. lat. (paratype, MPK 2170, 480 pm long); fig. 3, 9
car., ext. dors, (paratype, MPK 2173, 460 long).

Scale A (100 ^m; x 130), fig. 1 ; scale B ( 100 pm; x 125), fig. 2, scale C (100 ^m; x 130), fig. 3.

I I— t-

"T -j t"

Stereo-Atlas of Ostracod Shells 5, 91

Micropneumatocythere brendae (3 of 8;

Figured specimens: Inst. Geol. Sci. nos. MPK 2168 (holotype, 9 LV: PL 5, 90, Fig. 1; PI. 5, 94, fig. 3), MPK 2170 (9 RV: PI. 5 ,
90, fig. 2; PI. 5, 94, fig. 2), MPK 2171 (9 LV: PL 5, 96, fig. 1), MPK 2173 (9 car.: PI. 5, 90, fig. 3),
MPK 2174 (9 car.: PI. 5, 96, fig. 2), MPK 2175 (9 LV: PI. 5, 96, fig. 3), MPK 2177 (6 car.: PI. 5, 92,
fig. 3), MPK 2178 (<J RV: PI. 5, 92, fig. 2), MPK 2179 (d car.: PI. 5, 92, fig. 1), MPK 2181 (d RV: PI. 5,
94, fig. 4). Brit. Mus. (Nat. Hist.) no. OS 9056 (9 LV: PI. 5, 94, fig. 1; Text -fig. la). MPK 2168, MPK 2170,
MPK 2177 are from the same depth at the type locality; MPK 2178, MPK 2179 are from depth 15.28 -
18.05m; MPK 2170, MPK 2173 are from depth 45.54 - 47.00m, Frome Borehole, Somerset, England,
Grid Ref.: ST 76324769. MPK 2174 is from depth 25.90 - 26.20m, and MPK 2175 and MPK 2181 are
from depth 21.40 - 21.70m, Horsecombe Vale Borehole 15, Somerset, England, Grid Ref.: ST 755622.
OS 9056 is from depth 1 5.00m, Lyme Bay Borehole 74/35, off Dorset, England, approx, lat. 50° 37.09'N,
long. 2° 43.05'W. All specimens are Upper Fuller’s Earth, Bathonian in age. Also figured is one specimen
of M. falcata Sheppard, Brit. Mus. (Nat. Hist.) no. OS 10941 (9 LV: Text-fig. lb), White Limestone,
Bathonian, Croughton Quarry, Oxfordshire, England.

Diagnosis: Ornate species of Micropneumatocythere, ornamentation comprising 3 or 4 - sided pits, resembling
reticulation. Dorsal margin highly arched with steep posterodorsal slope. Carapace strongly convex with
well developed caudal process in both male and female.

Explanation of Plate 5, 92

Fig. 1 , d car., ext. It. lat. (paratype, MPK 2179, 560 long); fig. 2, d RV, ext. lat. (paratype, MPK 2178, 560 pm long); fig. 3,
d car., ext. dors, (paratype, MPK 2177, 527 pm long).

Scale A (200 pm; x 214), figs. 1 , 2; scale B (200 ^m; x 226), fig. 3.

Stereo-Atlas of Ostracod Shells 5, 90

Micropneumatocy there brendae (2 of 8)

Stereo-Atlas of Ostracod Shells 5, 92

Micropneumatocy there brendae (4 of 8)

Stereo-Atlas of Ostracod Shells 5, 93 Micropneumatocy there brendae (5 of 8)

Remarks: This is the most highly ornate of all species of Micropneumatocythere and is important stratigraphically as
it is used as the index species of ostracod zone 4 in the current zonation of the British Bathonian (see Bate
1978). Smooth forms do, however, occur in which the ornament is totally lacking (compare PI. 5, 90 fig. 1
with PI. 5, 96, fig. 1) and these very closely resemble M. falcata into which they probably evolved ( Stereo-
Atlas of Ostracod Shells 1978, 5 (14) 97 - 100). The two species may be distinguished in two ways:

(1) on dorsal outline; M. brendae is more strongly arched dorsally and has a much steeper posterodorsal
slope.

(2) within the accommodation groove of the left valve of M. brendae can be seen one prominent centrally
situated vertical ridge and one or two smaller, less well defined, ridges on either side (see Text-fig. la).
These structures are not found in M. falcata (see Text-fig. lb), nor indeed in any other species of the
genus. I suggest that they served as an additional reinforcement of the hinge restricting movement of the
valves when closed. Complimentary depressions in the dorsal edge of the right valve have not as yet been
observed, however, due mainly to poor preservation of this part of the shell. The ridges may have
developed as a result of inhabiting the high energy inner-shelf, near-shore environment that was in
existence during Upper Fuller’s Earth times. The coarse ornamentation would support this idea. Evolution
to M. falcata would have been achieved with the smooth forms of M. brendae as an intermediate stage,
and was accompanied by a change in environment to a much quieter shallow-water habitat. Correspond-
ingly the carapace ornament was lost, so too were the ridges within the accommodation groove.

Explanation of Plate 5, 94

Fig. 1, 9 LV, int. lat. hinge (OS 9056); fig. 2, 9 RV, int. lat. hinge (paratype, MPK 2170); fig. 3, 9 LV, ext. lat. ornament
(holotype, MPK 2168); fig. 4, 6 RV int. lat. muse. sc. (paratype, MPK 2181).

Scale A ( 100 ,um; x 280), fig. 1; scale B (100 ^m; x 318), fig. 2; scale C (50 /rm; x 326), fig. 3; scale D (10 pm: x 847), fig. 4.

r-r-F

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Stereo-Atlas of Ostracod Shells 5, 95

Micropneumatocythere brendae (7 of 8)

Distribution: A marine species, common in the Upper Fuller’s Earth sequence in SW England at those localities already
listed, and also one occurrence in the Upper Estuarine Series at Norwich, Norfolk, England. This latter
occurence is useful in correlating the marine sequence in the south with the more brackish beds further
north. M. brendae , first appearing at the base of ostracod zone 4 of Bate, ranges from hodsoni to
aspidoides ammonite zones.

Explanation of Plate 5, 96

Fig. 1 , 9 LV, ext. lat. (paratype, MPK 2171, 501 pm long); fig. 2, 9 car., ext. vent, (paratype, MPK 2174, 490 pm long); fig. 3,
9 LV, int. lat. (paratype, MPK 2175, 518 pm long).

Scale A ( 100 pm \ x 119), fig. 1 ; scale B (100 pm \ x 112), fig. 2; scale C ( 100 pm; x 1 1 5), fig. 3.

t~t— 1

I I I

Stereo-Atlas of Ostracod Shells 5, 96

Micropneumatocy there brendae (8 of 8)

~f-

Stereo-Atlas of Ostracod Shells 5, 94

Micropneumatocythere brendae (6 of 8)

4-4-4

Stereo-Atlas of Ostracod Shells 5 (14) 97 - 100 (1978) Micropneumatocythere falcata (1 of 4)

595.337.14 (1 16.222) (422.3 : 162.003.50 + 423.3 : 161.001.51 + 425.72 : 162.002.51) : 551.351 + 552.52

ON MICROPNEUMATOCYTHERE FALCATA SHEPPARD sp. nov.

by Lesley M. Sheppard
(British Museum [. Natural History ], London)

Micropneumatocythere falcata sp. nov.

1978 Micropneumatocythere sp. E; R.H. Bate, in: A Stratigraphical Index of British Ostracoda, Seel House Press, Liverpool, 234
(not PI. 5, figs. 1 1 - 14).

Holotype: Brit. Mus. (Nat. Hist.) OS 9305, 9 RV.

[Paratypes: Brit. Mus. (Nat. Hist.) OS 9306 - 9314]

Type locality: Forest Marble, Upper Bathonian, Kirtlington Quarry, Oxfordshire, England, Grid Ref.: SP 494198.
Derivation of name: Latin ,falcatus, meaning sickle-shaped, referring to the dorsal margin.

Figured specimens: Brit. Mus. (Nat. Hist.) nos. OS 9305 (holotype, 9 RV: PI. 5, 98, fig. 1), OS 9306 (9 LV: PI. 5, 98, fig. 2),
OS 9308 (9 RV: PI. 5, 98, fig. 3), OS 9311 (c 5 LV: PI. 5, 100, fig. 2), OS 9312 (6 car.: PI. 5,100, fig. 3),
OS 9313 (d car.: PI. 5, 100, fig. 1). OS 9305, OS 9306, OS 9312 and OS 9313 are from the type level and
locality. OS 9308 is from the top of the White Limestone, Croughton Quarry, Oxfordshire. Grid Ref.:
SP 602255. OS 9311 is from the Forest Marble, Shipton-on-Cherwell, Oxfordshire. Grid Ref.: SP 475175.

Explanation of Plate 5, 98

Fig. 1, 9 RV, ext. lat. (holotype, OS 9305, 493, pm long); fig. 2, 9 LV, ext. lat. (paratype, OS 9306,
9 RV, int. lat. (paratype, OS 9308, 476 pm long).

Scale A ( 100 pm\ x 121), fig. 1 ; scale B (100 pm\ x 1 26), figs. 2, 3.

476 pm long); fig. 3,

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Stereo-Atlas of Ostracod Shells 5, 99

Micropneumatocythere falcata (3 of 4)

Diagnosis: Species of Micropenumatocy there with sickle-shaped dorsal outline in female dimorph; anterior broadly
rounded, posterior triangular. Shell surface smooth with large, widely-spaced normal pore canals.

Remarks: Hinge, muscle scars and radial pore canals as for genus. There are several (at least 6) parallel ridges running
along the ventral and ventrolateral surfaces.

M. falcata is important stratigraphically as its first appearance is used to identify the base of
ostracod zone 6 in the current zonation of the British Bathonian (see Bate 1978). It is considered to have
evolved from smooth forms of M. brendae Sheppard which occur at the top of zone 5 ; indeed an excellent
phylogenetic lineage can be traced from M. brendae to M. falcata : for details see Stereo-Atlas of Ostracod
Shells 1978,5 (13) 89 -96.

M. falcata is considered a marine to brackish -water species, sedimentological and macrofossil
evidence suggesting it favoured a shallow water environment.

Distribution: M. falcata has been found to range from the top of the White Limestone and throughout the Forest
Marble ( discus ammonite zone) in the Oxfordshire, Kent and Dorset areas of S England only.

Explanation of Plate 5, 100

Fig. 1 , 6 car., ext. rt. lat. (paratype, OS 9313, 680 pm long); fig. 2, 6 LV, ext. lat. (paratype, OS 9311, 654 pm long); fig. 3,
6 car., ext. vent, (paratype, OS 9312, 591 pm long).

Scale A (200 pm\ x 90), figs. 1, 2; scale B (200 pm\ x 100), fig. 3.

Stereo-Atlas of Ostracod Shells 5, 98

Micropneumatocy there falcata (2 of 4)

Stereo-Atlas of Ostracod Shells 5, 100

Micropneumatocy there falcata (4 of 4)

Stereo-Atlas of Ostracod Shells 5 (15) 101 - 104 (1978)

595.337.14 (1 16.3 1 2) (427.4 : 162.001.54) : 551.351 + 552.52

Apatocythere spinosa (1 of 4)

ON APATOCYTHERE SPINOSA NEALE

by John W. Neale
(University of Hull, England)

Apatocythere spinosa Neale, 1962

1962 Apatocythere spinosa sp. nov. J.W. Neale, Micropaleontology 8 (4), 441, pi. 5, figs. 3, 9, pi. 6, fig. 5, pi. 13, figs. 1 - 4
21 -22.

1966 Apatocythere (Apatocythere) spinosa Neale 1962; J. Griindel, Freiberger ForschHft ser. C, 200, 20, pi. 3, fig. 4, text-figs.
3a, b (q.v. for synonymy of forms earlier placed elsewhere but which may belong here).

Holotype: University of Hull coll. HU.l.C.22.10, 9 LV.

Type locality : Coastal Section, Bed D2D, 1ft above the base, Speeton Clay, Speeton, E Yorkshire, England; lat.
54° 10'N, long. 0° 14'40"W. Lyticoceras amblygonium Zone, Lower Hauterivian, Lower Cretaceous.

Figured specimens: University of Hull coll. nos. HU.13.C.4.69 (9 LV: PI. 5, 102, fig. 1), HU. 13.C.4.41 ( 6 LV: PI. 5, 102, fig.

2) HU.13.C.4.31 (9 RV: PI. 5, 104, fig. 1), HU.13.C.4.42 ( 6 RV: PI. 5, 104, fig. 2). All the figured
specimens from the type locality and type horizon.

Explanation of Plate 5, 102

Fig. 1, 9 LV, ext. lat. (paratype, HU. 13. C. 4. 69, 664 long); fig. 2, 6 LV, ext. lat. (paratype, HU. 13. C. 4. 41 , 792 pm long).
Scale A ( 100 pm\ x 133), fig. 1; scale B (100 pm\ x 117), fig. 2.

Stereo-Atlas of Ostracod Shells 5, 103

Apatocythere spinosa (3 of 4)

Diagnosis: Smoothly ovate in lateral outline with concave postero-dorsal margin and rounded, upturned posterior
point. Anterior and posteroventral margins with small spines, best seen on the right valve where they
affect the lateral outline; in the left valve they occur on the inner edge of the flange where they project
inwards rather than laterally. Hinge (PI. 5, 104, fig. 2) typical of the genus. There is a well developed eye
tubercle and strong sexual dimorphism.

Remarks: The external morphology of this species is similar to Schuleridea lamplughi Neale, 1962 (op. cit.) which
occurs in the same beds and which may be regarded as a homoeomorph (see Stereo-Atlas of Ostracod
Shells 5 (16) 105, 1978). It differs in the hinge structure and in the prescence of small marginal spines.
Apatocythere simulans Triebel, 1940 (Senckenbergiana), from the German Barremian, is most easily
differentiated by the shape of the posterior part of the left valve in lateral view.

Distribution: This is a typical Lower Hauterivian species. It occurs in England in fine-grained, marine sediments rich in
pyrite, glauconite and phosphatic material and is also known from East (and probably West) Germany. In
both England and Germany it is associated with such well known species as Cytherelloidea ovata Weber,
Acrocythere hauteriviana (Bartenstein), Paranotacy there diglypta (Triebel), Protocythere hechti Triebel,
P. triplicata (Roemer) and Schuleridea lamplughi Neale.

Explanation of Plate 5, 104

Fig. 1, 9 RV, ext. lat. (paratype, HU. 13. C. 4. 31, 656 pm long); fig. 2, d RV, int. lat. (paratype, HU. 13. C. 4. 42, 708 pm long).
Scale A (100 ^m; x 1 39), fig. 1 ; scale B (100 ^um; x 131), fig. 2.

Stereo-Atlas of Ostracod Shells 5, 102

Apatocy there spinosa (4 of 4)

Apatocy there spinosa (2 of 4)

Stereo-Atlas of Ostracod Shells 5, 104

Stereo-Atlas of Ostracod Shells 5 (16) 105 - 108 (1978) Schuleridea lamplughi (1 of 4)

595.337.14 (1 16.312) (427.4 : 162.001.54) : 551.351 + 552.52

ON SCHULERIDEA LAMPLUGHI NEALE

by John W. Neale
(University of Hull, England)

Schuleridea lamplughi Neale, 1962

1962 Schuleridea lamplughi sp. nov. J.W. Neale, Micropaleontology 8 (4), 441, pi. 5, figs. 6, 15, pi. 6, fig. 6, pi. 13, figs. 5-8,
23.

1 97 1 Schuleridea lamplughi Neale; E. Kemper, Bull. Centre Rech. Pau - SNPA 5 suppl. , 640 ( not figured).

Holotype: University of Hull coll. HU.l.C.22.15, 9 LV.

Type locality: Coastal Section, D2D Bed, 1' above the base, Speeton Clay, Speeton, E Yorkshire, England; lat. 54° 10'N,
long. 0° 14'40"W. Lyticoceras amblygonium Zone, Lower Hauterivian, Lower Cretaceous.

Figured specimens: University of Hull coll. nos. HU.13.C.3.66 (d LV: PL 5, 106, fig. 1), HU.l.C.22.15 (9 LV: PL 5, 106, fig.

2), HU.13.C.3.11 (<J RV: PI. 5, 108, fig. 1), HU.13.C.3.65 (9 LV: PI. 5, 108, fig. 2). All the figured
specimens from the type locality and type horizon.

Explanation of Plate 5, 106

Fig. 1, 6 LV, ext. lat. (paratype, HU. 13. C. 3. 66, 780 pm long); fig. 2, 9 LV, ext. lat. (holotype, HU.l.C.22.15, 728 pm long).
Scale A ( 100 ^m; x 1 26), fig. 1; scale B (100 pm\ x 109), fig. 2.

■ < — U4-

h-

I— I-

Stereo-Atlas of Ostracod Shells 5, 107

Schuleridea lamplughi (3 of 4)

trr

Diagnosis: A Schuleridea with asymmetrically rounded anterior margin and upturned caudal termination in the left
valve. The elongated, pitted valves taper posteriorly.

Remarks: Based on external morphology this species is a homoeomorph of Apatocy there spinosa Neale, 1962 (see
Stereo-Atlas of Ostracod Shells 5 (15) 101, 1978), from which it is easily differentiated by the hinge
structure. It also lacks the marginal spines seen on the right valve of A spinosa.

Distribution: Found in the Lower Hauterivian clays in Britain, it also occurs in the shallow neritic and outer sublittoral
sediments of the Lower Saxony Basin of N Germany (Kemper 1971). From the Upper Valanginian and
Lower Hauterivian of boreholes in the Kujawy area, Poland, J. Sztejn (Biul. Inst. geol. 200, 252, pi. 2,
figs. 1, 2, 1967.) has described this or a closely allied species as S. aff. lamplughi and the same author (Biul.
Inst. geol. 211, 86, 1969.) has recorded S.cf lamplughi (not figured) from the Lower Hauterivian of the
Wa\yal brickyard, Central Poland.

Explanation of Plate 5, 108

Fig. 1 , 6 RV, ext. lat. (paratype, HU. 1 3. C. 3.1 1 , 740 ^m long); fig. 2, 9 LV, int. lat. ( paratype, HU. 1 3.C.3.65, 720 pm long).
Scale A ( 100 pm ; x 133), fig. 1 ; scale B ( 100 pm \ x 125), fig. 2.

-i-i

Stereo-Atlas of Ostracod Shells 5, 108

Schuleridea lamplughi (4 of 4)

Stereo-Atlas of Ostracod Shells 5, 106

Schuleridea lamplughi (2 of 4)

Stereo-Atlas of Ostracod Shells 5(17) 109 -112(1978)
595.337.14 (1 1 6.3 1 1 ) (427.4 : 162.001.54) : 551.351 + 552.52

Schuleridea juddi (1 of 4)

ON SCHULERIDEA JUDDI NEALE

by John W. Neale
(University of Hull, England)

Schuleridea juddi Neale, 1962

1962 Schuleridea juddi sp. nov. J.W. Neale, Micropaleontology 8 (4), 439, pi. 5, figs. 1, 4, 7, 10, 13, pi. 6, fig. 4, pi. 13, figs.
17-20.

Holotype: University of Hull coll. HU.1.C.22 43, 9 LV.

Type locality: Coastal Section, D6F Bed, Speeton Clay, Speeton, E Yorkshire, England; lat. 54° 10'N, long. 0° 14'40"W.
Upper Berriasian, Lower Cretaceous.

Figured specimens: University of Hull coll. nos. HU.13.C.2.5 (9 LV : PI. 5, 1 10, fig. 1), HU.13.C.2.100 (6 LV : PI. 5, 1 10,
fig. 2), HU.l.C.22.51 (9 RV: PI. 5, 1 12, fig. 1), HU.13.C.2.90 (6 RV: PI. 5,112, fig. 2). All the figured
specimens are from Bed D6 of the type locality.

Explanation of Plate 5,110

Fig. 1 , 9 LV, ext. lat. (HU.13.C.2.5, 728 pm long); fig. 2, 6 LV, ext. lat. (HU.13.C.2.100, 844 pm long).
Scale A ( 1 00 pm\ x 110), figs. 1 , 2.

-J-t-h-

Stereo-Atlas of Ostracod Shells 5,111

Schuleridea juddi (3 of 4)

Diagnosis: Elongate-oval, tapering strongly posteriorly in lateral view and with a prominent eye tubercle. Surface
pitted, but not as strongly as in S. praethoerenensis Bartenstein & Brand, 1959. Strong dimorphism
characteristic of the genus.

Distribution: The species is typical of the marine Berriasian of northern England where it is associated with
Galliaecytheridea teres, Mandelstamia sexti, Cytheroptenna triebeli, Paracypris caendea and
Paranotacy there speetonensis .

O.B. Christensen ( Geosci . Man 6, 105, 1964) states that S. juddi does not occur in the G. teres
zone in the Danish Embayment, where its place appears to be taken by S. praethoerenensis. In Poland,
J. Sztejn (Biul. Inst. geol. 211, 86, 1969) has recorded S. juddi (not figured) from the Lower Hauterivian
of the Wavyaf brickyard but this horizon is anomalously high and the specimens would merit re-examin-
ation. In Portugal, from the Sierra de Sintra and adjoining areas, J. Rey et al. ( C.R . Somm. Seanc. Soc.
Geol. France 5, 153, 1968) have recorded S. aff. S. juddi but this taxon needs further investigation.
Further south, M. Benest et al. ( Geobios , Lyon 10 (2), 215, pi. 9, figs. 8, 9, 1977) have figured as S. aff.
juddi a closely comparable form from the Upper Berriasian of the Lamoriciere Region, Algeria.

Explanation of Plate 5,112

Fig. 1,9 RV, ext. lat. (paratype, HU.l .C.22.5 1 , 870 ^ m); fig. 2,6 RV, ext. lat. (HU. 1 3. C. 2. 90, 800 pm long).
Scale A (100 pm-, x 100), fig. 1 ; scale B (100 pm\ x 118). fig. 2.

Schuleridea juddi (2 of 4)

Stereo-Atlas of Ostracod Shells 5,112

Stereo-Atlas of Ostracod Shells 5, 1 10

Schuleridea juddi (4 of 4)

- + H— r-

Stereo-Atlas of Ostracod Shells 5 (18) 1 13 - 1 16 (1978)

595.337.14 (1 16.312) (427.4 : 162.001.54) : 551.351 + 552.52

Schuleridea praethoerenensis (1 of 4)

ON SCHULERIDEA PRAETHOERENENSIS BARTENSTEIN & BRAND

by John W. Neale
(University of Hull, England)

Schuleridea praethoerenensis Bartenstein & Brand, 1959

1951 Cytheridea ( Haplocytheridea ) n.sp. (517). H. Bartenstein & E. Brand, Abh. senckenb. naturforsh. Ges. 485, 331, pi. 14B,
fig. 16, pi. 1 5C, fig. 2 1 , pi. 1 5 D, fig. 48, pi. 20, fig. 2; ? pi. 1 4C, figs. 54 - 56, pi. 1 5 A, fig. 19.

1959 Schuleridea praethoerenensis n. sp. H. Bartenstein & E. Brand in H. Bartenstein, Palaont. Z. 33, 226, pi. 27, fig. 2, pi. 28,
figs. 3-6.

1962 Schuleridea praethoerenensis Bartenstein & Brand; J.W. Neale, Micropaleontology 8 (4), 440, pi. 5, figs. 2, 5, 8, 11, 14,
pi. 16, figs, la, b, 3, pi. 13, figs. 13-16.

1 973 Schuleridea ( Schuleridea ) praethoerenensis Bartenstein & Brand; O.B. Christensen, Geol. Surv. Denmark III Series 40, 1 1 6
(not figured).

1 974 Schuleridea praethoerenensis Bartenstein; O.B. Christensen, Geosci. Man 6, 105 et seq. (not figured).

Holotype: In the personal collections of Dr. H. Bartenstein, W Germany; 9 LV.

Type locality: Core from 173.6 - 177m, Voigtei no. 2 borehole, NW Germany; lat. 52°36'19"N, long. 8°56'51"E, 60 km
WNW of Hannover and 55 km SSE of Brenen. Mittel-Valendis 2, Valanginian, Lower Cretaceous.

Explanation of Plate 5,114

Fig. 1, 9 LV, ext. lat. (HU. l.C. 29.49, 692 pm long); fig. 2, 6 LV, ext. lat. ( HU. 1 .C.29.28, 792 pm long).
Scale A (100 pm; x 98), fig. 1 ; scale B ( 100 ;im; x 1 06), fig. 2.

-f—

1-4-

-■H— i--

Stereo-Atlas of Ostracod Shells 5, 1 15 Schuleridea praethoerenensis (3 of 4)

Figured specimens: University of Hull coll. nos. HU.l.C.29.49 (9 LV: PI. 5, 114, fig. 1), HU. l.C. 29. 28 (6 LV: PI. 5. 114,
fig. 2), HU.l.C.29.75 (9 RV: PI. 5, 116, fig. 1), HU.l.C.29.60 (6 RV: PI. 5, 116, fig. 2). All the figured
specimens are from Bed D2E, 1ft 6in above the base, Coastal section, Speeton Clay, Speeton, E Yorkshire,
England; lat. 54° 10'N. long. 0° 14'40"W, Valanginian, Lower Cretaceous.

Diagnosis: Species of Schuleridea with valves very high in proportion to length, strongly pitted and truncated
postero-dorsally.

Remarks: Papers on the congeneric S. lamplughi Neale, 1962 and S. juddi Neale, 1962 are also to be found in the
Stereo-Atlas of Ostracod Shells (105 - 108, 109 - 112, 1978 respectively).

Distribution: In Britain and Germany this species has not been found outside Valanginian deposits where it is associated
typically with Protocythere hannoverana . In the Danish Embayment it also occurs in the Valanginian but,
in addition, Christensen ( 1973) has recorded it in typically Berriasian faunas from that area.

Babinot et al. (Annls Univ. Provence Sci. 46, 191 et al., 1971) have recorded S. praethoerenensis,
S. cf. praethoerenensis and S. gr. praethoerenensis (not figured) from a number of Upper Berriasian/Lower
Valanginian sections in eastern Basse-Provence, SE France, and P. Donze (in H. Loffler & D. Danielopol
(Eds.), Aspects of Ecology and Zoogeography of Recent and Fossil Ostracoda, Proc. Sixth Int. Symp.
Ostracoda, 445, 1977, The Hague) lists S. aff. praethoerenensis as one of the common species in the
Berriasian neritic facies of the Iberian peninsula and Vocontian Basin. P. Ascoli ( Maritime Sediments Spec.
Publ. 1, 699 et al., pi. 8, fig. 9, 1976) has found a closely comparable form, noted as S. aff.
praethoerenensis , in Berriasian/Valanginian deposits of the Scotia Shelf, Atlantic Canada. This form also
appears to occur in the underlying Tithonian (ibid., 702).

Acknowledgement : Dr. H. Bartenstein is thanked for his kindness in supplying information relating to the type specimen and
type locality.

Explanation of Plate 5,116

Fig. 1, 9 RV, ext. lat. (HU.l.C.29.75, 688 long); fig. 2,6 RV, ext. lat. (HU.l.C.29.60, 752 long).
Scale A ( 1 00 pm ; x 1 20), figs. 1 , 2.

-t-f— 1

Stereo-Atlas of Ostracod Shells 5, 1 16

Schuleridea praethoerenensis (4 of 4)

Stereo-Atlas of Ostracod Shells 5 (19) 1 17 - 120 (1978) Phalcocy there horrescens (1 of 4)

595.337.14 (1 18.14) (44 : 161.002.048 + 493 +549) : 551.35 : 552.51

ON PHALCOCYTHERE HORRESCENS (BOSQUET)

by Qadeer A. Siddiqui
(Saint Mary’s University , Halifax, Canada)

Genus PHALCOCYTHERE Siddiqui, 1 97 1
Type-species: (by original designation): Cy there horrescens Bosquet 1852.

Diagnosis: A genus of the family Trachyleberididae with a ventral ridge; shell surface reticulate with or without
conjunctive spines and/or papillae; mostly with a well-marked posterodorsal process.

Remarks: So far known from the Eocene of Belgium and France (Keij 1957); the Palaeocene and Eocene of Pakistan
(Siddiqui 1971); the Palaeocene of Saudi Arabia (Al-Furaih 1976, unpublished Ph.D. thesis, University of
Leicester, England); the Eocene and Oligocene of Tanzania (Siddiqui 1971, Ahmad 1977, unpublished
Ph. D. thesis, University of Hull, England) and (?) the Palaeocene of the continental shelf off Natal, South
Africa (Dingle 1976, Trans, roy. S. Afr. Part 1, 35 - 39).

Explanation of Plate 5,118

Fig. 1 , LV, ext. lat. (Io 4253, 600 long); fig. 2, RV, ext. lat. (Io 4256, 630 pm long); fig. 3, RV, ext. lat., detail of ornament,
(Io 4256).

Scale A (200 pm\ x 102), figs. 1, 2; scale B (25 pm\ x 466), fig. 3.

- -j — +■“

Stereo-Atlas of Ostracod Shells 5, 1 19

Phalcocythere horrescens (Bosquet, 1852)

Phalcocy there horrescens (3 of 4)

Sci. Belg. 24, 119, pi. 6, fig. 5.

Type locality:
Figured specimens:

1852 Cy there horrescens sp. nov. J. Bosquet ,Me'm. cour. Sav. e'tr. Acad.

1852 Cy there thierensiana sp. nov. J. Bosquet, ibid, 98, (pars).

1852 Cythere nebulosa sp, nov. J. Bosquet, ibid, 105, pi. 5, fig. 8.

1955 Trachyleberis horrescens (Bosquet); V. Apostolescu, Cahiers ge'ol., Paris, nos. 28/29, 272, pi. 8, figs. 125 - 126.

1957 Hirsutocythere horrescens (Bosquet); A. J. Keij, Inst. roy. Sci. Nat. Belg., Me'm. 136, 101, pi. 15, fig. 4, pi. 17, figs. 6-7.

1 97 1 Phalcocythere horrescens (Bosquet); Q.A. Siddiqui, Bull. Br. Mus. nat. Hist. (Geol.) Suppl. 9, 57, pi. 29, fig. 5 ; pi. 30, figs.

1 -6; pi. 33, figs. 12-13.

Lectotype: Bosquet Collection, 74b, RV, Royal Belgian Institute of Natural Sciences, Brussels.

Grignon, Paris Basin, Lutetian.

Brit. Mus. (Nat. Hist.) nos. Io 4253 (LV: PI. 5, 118, fig. 1), Io 4256 (RV: PI. 5, 118, figs. 2, 3), Io 4255
(RV: PI. 5, 120, fig. 1), Io 5507 (LV: PI. 5, 120, figs. 2, 3), Io 4253 and Io 4255 both from an abandoned
quarry in the grounds of the Ecole Agriculture at Grignon, Paris Basin, France, approx, lat. 48°45‘N, long.
2° 28' E; Lutetian IV, yellow and white calcareous, fossiliferous sands, approx. 7m in thickness; coll.
A.J. Keij. Io 4256 and Io 5507 both from Villiers-St.-Fre'de'ric, Paris Basin, France, approx, lat. 48° 50' N,
long. 1° 50'E; Lutetian; coll, by N. Grekoff.

Species of Phalcocythere with well-marked ventral ridge and posterodorsal process; posteroventral margin
ornamented with five or six large spines.

Keij (1957, 102, pi. 15, fig. 4) observed two round closely set frontal scars in his material. A left valve
from the Lutetian of Villiers-St.-Fre'dfric, Paris Basin, photographed herein (PL 5, 120, figs. 2, 3) shows a
single sigmoid frontal scar formed by the fusion of the two discrete scars shown by Keij plus the addition
of a third rounded scar at the top.

Belgium (Lutetian and Ledian), France (Upper Ypresian, Lutetian and Ledian). For details on the
distribution see Keij, 1957, 101.

Diagnosis:

Remarks:

Distribution:

Explanation of Plate 5, 120

Fig. 1 , RV, int. lat. (Io 4255, 590 pm long); fig. 2, LV, int. lat. (Io 5507, 622 pm long); fig. 3, LV, int. mus. sc. (Io 5507).
Scale A (200 pm\ x 102), figs. 1,2; scale B (25 pm\ x 436), fig. 3.

Stereo-Atlas of Ostracod Shells 5, 1 18

Phalcocy there horrescens (2 of 4)

-+f-r-

Stereo-Atlas of Ostracod Shells 5 (20) 121 - 124 (1978)

595. 337. 14 (1 18. 213)(560 : 161.036.36) : 551.351 + 552.51

Cyamocytheridea contracta (1 of 4)

ON CYAMOCYTHERIDEA CONTRACTA DORUK sp. nov.

by Neriman Doruk
(Ege University, Izmir, Turkey)

Cyamocytheridea contracta sp. nov.

Holotype: Brit. Mus. (Nat. Hist.) Io 4785; 6 RV.

Type locality: Road cutting about 2km SW of Com, Turkey, approx, lat. 32°02'N, long. 36°12'E; yellow sandstone with
abundant molluscan shell fragments and foraminifera, shallow marine, presumed littoral, Upper
Tortonian.

Derivation of name: Latin, meaning contracted , referring to main pore of sieve plate in the normal pore canals.

Explanation of Plate 5, 122

Fig. 1, 6 RV, ext. lat. (holotype, Io 4785, 670 pm long); figs. 2, 3, 4, 9 LV (Io 4786, 660 pm long): fig. 2, ext. lat.; fig. 3,
detailed view of normal pores and ornament; fig. 4, detailed view of one pore.

Scale A (500 pm\ x 102), fig. 1 ; scale B (500 pm\ x 99), fig. 2; scale C (20 ^m; x 900), fig. 3; scale D (5 pm\ x 3500), fig. 4.

-(--1-4-

-4-L-4-

Stereo-Atlas of Ostracod Shells 5, 123

Cyamocytheridea contracta (3 of 4)

Figured specimens: Brit. Mus. (Nat. Hist.) specimens: Io 4785 (holotype, 6 RV: PI. 5, 122, fig. 1 ); Io 4786 (9 LV: PI. 5, 122,
figs. 2, 3, 4); Io 4787 (9 LV: PI. 5, 124, fig. 1); Io 4788 (9 RV: PI. 5, 124, figs. 2, 3). Io 4785 and Io 4786
are from the type locality. Io 4787 is from the base of the section, 1km SW of Babatorun, Turkey,
approx, lat. 36° 05'N, long. 36° 1 3 1 E, Tortonian (lithology and ecology as at type locality). Io 4788 is
from 1km NW of Yolagzi, Turkey, approx, lat. 36°04'N, long. 36° 14'E, Tortonian.

Diagnosis: Carapace egg-shaped, shell surface covered with abundant large deep circular pits in which normal pore
canals contain sieve -plates. Main pore is surrounded by a protrusion.

Remarks: Width of vestibule and marginal area, and size of fossae may be smaller than in the specimens figured.

Distribution: C. contracta has been found in the Tortonian at several localities in the Antakya region, Turkey.

Explanation of Plate 5, 1 24

Fig. 1, 9 LV, int. lat. (Io 4787, 640 pm long); figs. 2, 3, 9 RV (Io 4788, 710 pm long): fig. 2, int. lat.; fig. 3, muscle scars.
Scale A (500 pm \ x 108), fig. 1 ; scale B (500 ^ttm; x 1 00), fig. 2; scale C (1 00 pm \ x 295), fig. 3.

Cyamocytheridea contracta (4 of 4)

Stereo- Atlas of Ostracod Shells 5, 1 24

Stereo-Atlas of Ostracod Shells 5, 122

Cyamocytheridea contracta (2 of 4)

4-4- 4

Stereo-Atlas of Ostracod Shells 5 (21) 125 -128 (1978) Cyamocytheridea meniscus (1 of 4)

595.337.14 (1 18.213) (560 : 161.036.36) : 551.351 + 552.54

ON CYAMOCYTHERIDEA MENISCUS DORUK sp. nov.

by Neriman Doruk
(Ege University, Izmir, Turkey)

Cyamocytheridea meniscus sp. nov.

■ J. -i.

Holotype:
Type locality:

Derivation of name:

Brit. Mus. (Nat. Hist.) Io 4778, <5 RV.

Erosional stream cutting 1km S of Sarili, Antakya, Turkey, approx, lat. 36° 06' N, long. 36° 07' E,
bioclastic limestone with molluscan shells, presumed shallow marine, Tortonian.

Latin, meaning “crescent”, referring to the shape of the normal pore canals.

Explanation of Plate 5, 126

Fig. 1 , 6 RV, ext. lat. (holotype, Io 4778, 820 pm long); fig. 2, 9 LV, ext. lat. Io 4779, 850 long).
Scale A (500 //m; x 101 ), fig. 1 ; scale B (500 ^m; x 1 04), fig. 2.

i — i-t-

— j — +■

Stereo-Atlas of Ostracod Shells 5, 1 27

Cyamocytheridea meniscus (3 of 4)

Figured specimens: Brit. Mus. (Nat. Hist.) nos. Io 4778 (holotype, 6 RV: PI. 5, 126, fig. 1; PI. 5, 128, figs. 2, 3); Io 4779
(9 LV: PI. 5, 126, fig. 2; PL 5, 128, fig. 1). Both specimens are from the type level and locality at the base
of the section.

Diagnosis: Carapace elongate. Normal pore canals crescent-shaped.

Remarks: Size is variable. Males are considerably more elongate than females (see PI. 5, 126, fig. 1).

Distribution: This specimen has so far only been found at the base of the section in the type locality.

Explanation of Plate 5, 1 28

Fig. 1 , 9 LV, int. lat. (Io 4779); figs. 2, 3, 6 RV, (holotype, Io 4778); fig. 2, int. lat.; fig. 3, muse. sc.
Scale A (500 pm; x 88), fig. 1 ; scale B (500 pm; x 86), fig. 2; scale C (100 pm; x 360), fig. 3.

Stereo-Atlas of Ostracod Shells 5, 126

Cyamocytheridea meniscus (2 of 4)

Cyamocytheridea meniscus (4 of 4)

Stereo-Atlas of Ostracod Shells 5, 1 28

4-4- ■+

+ 4— r

Stereo-Atlas of Ostracod Shells 5 (22) 129 - 132 (1978) Cyamocytheridea obstipa (1 of 4)

595. 337. 14 (1 18. 213)(560 : 161.036.36) : 551.351 + 552.54

ON CYAMOCYTHERIDEA OBSTIPA DORUK sp. nov.

by Neriman Doruk
(Ege University, Izmir, Turkey)

Cyamocytheridea obstipa sp. nov.

Holotype:
Type locality:

Derivation of name:
Diagnosis:

Brit. Mus. (Nat. Hist.) Io 4780, 6 RV.

Stream cutting, 1km S of Sanli, Antakya, Turkey, approx, lat. 36° 06' N, long. 36° 07' E; bioclastic
limestone with molluscan fragments, presumed shallow marine, Tortonian.

Latin, meaning “inclined obliquely”, referring to the sieve plates of the normal pore canals.

Carapace sub rectangular with slightly convex dorsal margin; anterior and posterior ends short, broadly
rounded. Normal pore canals with conical, obliquely inclined sieve plates. Female more tumid than male.

Explanation of Plate 5,130

Fig. 1 , <5 RV, ext. lat. (holotype, Io 4780, 700 p long); figs. 2, 3, 9 LV (Io 4781 , 800 pm long); fig. 2, ext. lat.; fig. 3, detailed
view of normal pores and surface.

Scale A (500 pm , x 1 02), fig. 1 ; scale B (500 pm; x 86), fig. 2; scale C (50 pm ; x 5 1 0), fig. 3.

I H+-

44— -t-

Stereo-Atlas of Ostracod Shells 5,131

Cyamocytheridea obstipa (3 of 4)

Figured specimens: Brit. Mus. (Nat. Hist.) nos. Io 4780 (holotype, 6 RV: PI. 5, 130, fig. 1 ; PI. 5, 132, fig. 2);Io4781 (9 LV:
PL 5, 130, figs. 2, 3; PL 5, 132, figs. 1, 3). Both specimens are from the type locality, 2m above the base
of the section.

Remarks: C. obstipa sp. nov. differs from C. polygona Doruk ( Stereo-Atlas of Ostracod Shells, 1978, 5, 133 - 136)
and C. meniscus Doruk ( Stereo-Atlas of Ostracod Shells, 1978, 5, 125 - 128, 1978) by the large size of the
fossae producing an almost reticulate ornamentation. Further, the quadrate posterior outline of C. obstipa
contrasts with the narrowly rounded posterior and obliquely angled posterodorsal slope of C. polygona.
The short, broadly rounded anterior end of C. obstipa differs from the elongate anterior of C. meniscus
which has the anterior cardinal angle set well back on the carapace, almost as far back, but not quite, as
the valve centre.

Distribution: This species has so far only been found in the type locality.

Explanation of Plate 5, 132

Figs. 1,3,9 LV (Io 4781): fig. 1 , int. lat.; fig. 3, muse, sc.; fig. 2, d RV, int. lat. (holotype, Io 4780).
Scale A (500 pm; x 88), fig. 1 ; scale B (500 pm; x 100), fig. 2; scale C (100 pm; x 230), fig. 3.

Stereo-Atlas of Ostracod Shells 5, 130

Stereo-Atlas of Ostracod Shells 5, 132

Cyamocytheridea obstipa (4 of 4)

Cyamocytheridea obstipa (2 of 4)

Stereo-Atlas of Ostracod Shells 5 (23) 133 - 136 ( 1978) Cyamocytheridea polygona (1 of 4)

595.337.14 (1 18.213) (560 : 161.037.35) : 551.351 + 552.54

ON CYAMOCYTHERIDEA POLYGONA DORUK sp. nov.

by Neriman Doruk
(Ege University, Izmir, Turkey)

Cyamocytheridea polygona sp. nov.

Holotype: Brit. Mus. (Nat. Hist.) Io 4775; 9 LV.

Type locality: Road cutting 5km E of Salba§, Turkey, approx, lat. 37° 09' N, long. 35° 10'E; grey marl with abundant
foraminifera and molluscan fragments, presumed shallow marine, Tortonian.

Derivation of name: Greek, polygonal, referring to shape of normal pore canals.

Figured specimens: Brit. Mus. (Nat. Hist.) specimens: Io 4774 (d RV: PI. 5, 134, fig. 1); Io 4775 (holotype, 9 LV: PI. 5, 134,
figs. 2, 3; PI. 5, 136, fig. 1); Io 4776 (9 RV; PI. 5, 136, figs. 2, 3). Io 4774 and Io 4775 are from the base
and 2m above the base respectively of the type section. Io 4776 is from a road cutting 2km S of Salba§,
Turkey, approx, lat. 37° 09'N, long. 35°07‘E, Tortonian (top of section, same lithology and ecology as at
type locality).

Explanation of Plate 5, 134

Fig. 1 , 6 RV, ext. lat. (Io 4774, 680 pm long); figs. 2, 3, 9 LV (holotype, Io 4775, 680 pm long): fig. 2, ext. lat.; fig. 3, detailed
view of normal pore canal.

Scale A (250 ,um; x 108), fig. 1 ; scale B (250 pi n; x 1 1 2), fig. 2; scale C ( 10 pm \ x 1 265), fig. 3.

■I H-t—

Stereo- Atlas of Ostracod Shells 5, 135

Cyamocytheridea polygona (3 of 4)

Diagnosis:

Remarks:

Distribution:

Carapace with highest part of shell anterior of centre; normal pore canals polygonal in shape.

Hinge with variable number of teeth: 6 - 10 in anterior element; 4 - 6 in posterior element. Width of
vestibule variable. Size variable. Female more tumid than male posteriorly (see PI. 5, 134, fig. 2).

This species occurs in the Adana and Tarsus regions of Turkey, Tortonian.

Explanation of Plate 5.136

Fig. 1 , 9 LV, int. lat. (holotype, Io 4775); figs. 2,3,9 RV, (Io 4776, 600 pm long): fig. 2 int. lat.; fig. 3, muse. sc.
Scale A (250 pm\ x 102), fig. 1 ; scale B (250 pm\ x 112), fig. 2; scale C (50 pm\ x 570), fig. 3.

t —

i i i

Cyamocytheridea polygona (2 of 4)

Stereo-Atlas of Ostracod Shells 5, 136

Cyamocytheridea polygona (4 of 4)

Stereo-Atlas of Ostracod Shells 5, 134

Stereo-Atlas of Ostracod Shells 5 (24) 137 - 144 (1978)

595.337.73 (1 19.4 + 1 19.9) (261.27 : 162.013.055) : 551.352 (26.03

Rockallia enigmatica (1 of 8)
24.08.1040), 551.353 (26.03 : 24.08, 4000)

ON ROCKALLIA ENIGMATICA
WHATLEY, FRAME AND WHITTAKER gen et sp. nov.

by Robin Whatley1, Paul Frame2 & John E. Whittaker3
(University College of Wales, Aberystwyth1 , Robertson Research
International Ltd.2 , British Museum [Natural History] , London 3)

Genus ROCKALLIA gen. nov.

Type -species : Rockallia enigmatica sp. nov.

Derivation of name: From the occurrence and apparent restriction of the type species to Holocene and Recent sediments in
the Rockall Trough.

Diagnosis: Sub rectangular. Both end margins rounded in left valve. In right valve anterior rounded but posterior
bluntly pointed with apex just below mid-height. Dorsal margin straight in female, slightly concave
medianly in male. Ventral margin gently biconvex in left valve; accuminate in posterior third in right
valve. Left valve slightly larger than right with overlap at the cardinal angles and mid-ventrally. Coarsely
reticulate. Vertical element of ribs forming the reticulae dominant and radiating from mid-dorsal position.

Normal pore canals open, few and situated on the ribs. Inner lamella narrow with small vestibulae at each
end. Selvage strong, sub-peripheral. Hinge lophodont. Four vertically disposed adductor scars, all in
contact situated below the mid-point of the hinge margin; single reniform frontal scar.

Explanation of Plate 5, 138

Fig. 1 , 9 LV, ext. lat. (paratype, OS 7603, 570 long); fig. 2, 9 RV, ext. lat. (holotype, OS 7599, 590 pm long); fig. 3, 6 RV,
ext. lat. (paratype, OS 7604, 540 /am long).

Scale A (TOO /am; x 1 10), figs. 1 - 3.

TT-r -

-U4-

Stereo-Atlas of Ostracod Shells 5, 139

Rockallia enigmatica (3 of 8)

Remarks: This new genus is difficult to assign with certainty to any group of Ostracoda. Although some 200
specimens have been encountered to date none have well preserved appendages although some have
“mummified” soft parts. The possession of four adductor scars in a vertical line would seem to indicate
cytheracean affinities but the situation of these scars in a dorso-median position, the narrow and primitive
inner lamella and the shape and outline are suggestive of the Platycopina. The genus is, on these grounds,
and in the absence of soft parts, therefore, tentatively referred to the latter suborder despite the fact that
the overlap relationship of the valves militates against this.

Rockallia enigmatica sp. nov.

Holotype: Brit. Mus. (Nat. Hist.) OS 7599, 9 RV.

[Paratypes: Brit. Mus. (Nat. Hist.) OS 7600 - OS 7605] .

Type locality: Rockall Trough, lat. 55°02.53'N, long. 12°02.68'W. Recent, marine, Globigerina Ooze: depth 2,880m.

Derivation of name: Latin aenigmaticus , an enigma: alluding to the perplexing taxonomic status of this species.

Explantion of Plate 5, 140

Fig. 1 , juv. -1 , LV, ext. lat. (paratype, OS 7600, 480 p m long); figs. 2, 3, juv. -1 car., (paratype, OS 7602, 480 pm long); fig. 2,
ext. dors. fig. 3, ext. vent.

Scale A (100 pm\ x 1 10), fig. 1 ; scale B ( 100 pm\ x 140), figs. 2, 3.

Stereo-Atlas of Ostracod Shells 5, 140

Rockallia enigmatica (4 of 8)

Stereo-Atlas of Ostracod Shells 5, 138

Rockallia enigmatica (2 of 8)

Stereo-Atlas of Ostracod Shells 5, 141

Rockallia enigmatica (5 of 8)

Figured specimens: Brit. Mus. (Nat. Hist.) nos. OS 7599 (holotype, 9 RV: PI. 5, 138, fig. 2), OS 7600 (juv. -1 LV: PI. 5, 140,
fig. 1), OS 7602 (juv. -1 car.: PI. 5, 140, figs. 2, 3), OS 7603 (9 LV: PI. 5, 138, fig. 1; PI. 5, 142, figs.
1 - 4), OS 7604 (6 RV: PI. 5, 138, fig. 3, PI. 5, 144, figs. 1 - 4). OS 7599, OS 7600; from lat. 55° 02.53'N,
long. 12° 02.68' W, 2880m; OS 7602 from lat. 56°55.20'N, long. 10°29.80'W, 2250m; OS 7603 from lat.
54° 40.95'N, long. 15° 10.89'W, 2,500m; OS 7604 from lat. 55°11.29‘N, 15°50.84'W, 2,000m.

Diagnosis: As for genus.
Remarks:

R. enigmatica occurs frequently in Holocene and Recent samples from the Rockall Trough ranging in
depth from 1 ,040m to 4,000m. It occurs commonly in association with various species of Echinocythereis
and Krithe and with Muellerina abyssicola (Sars) and Ambocy there caudata van den Bold.

Distribution: The species seems to be confined to the Holocene and Recent deposits of the Rockall Trough area.

Explanation of Plate 5, 142

Figs. 1-4,9 LV, (paratype, OS 7603, 570 pm long): fig. 1 , int. lat.; fig. 2, post, hinge; fig. 3, ant. hinge; fig. 4, muse. sc.
Scale A (1 50 pm\ x 90), fig. 1 ; scale B (50 pm\ x 300), figs. 2, 3; scale C (50 pm\ x 360), fig. 4.

-4—1-4-

4-4-4-

Stereo-Atlas of Ostracod Shells 5, 143

Rockallia enigmatica (7 of 8)

0m ffiSl)

25 /A, m

‘ • ' -

Text-fig. 1. Adductor and frontal muscle scars
of 9 RV. (OS 7599).

Text-fig. 2. Internal view of 9 LV. (OS 7603).

Explanation of Plate 5, 144

Figs. 1-4 ,6 RV, (paratype, OS 7604, 540 pm long): fig. 1 , int. lat.; fig. 2, ant. hinge; fig. 3, post, hinge; fig. 4, muse. sc.
Scale A (1 50 pm \ x 90), fig. 1 ; scale B (50 pm \ x 300), figs. 2, 3; scale C (50 pm; x 360), fig. 4.

Stereo-Atlas of Ostracod Shells 5 (25) 145 - 152 (1978) Callistocythere murrayi (1 of 8)

595.337.14 (1 19.9) (261.268 : 162.002.050 + 162.005.051 + 161.001.052 + 1 6 1 .001 .05 1 ) : 55 1 .3 1 3.1

ON CALLISTOCYTHERE MURRA YI WHITTAKER sp. nov.

by John E. Whittaker

( British Museum [Natural History], London)

Callistocythere murrayi sp. nov.

Holotype: Brit. Mus. (Nat. Hist.) 1977.45. 9 car.

[Paratypes: Brit. Mus. (Nat. Hist) 1977.46 - 56],

Type locality: Mother Siller’s Channel (station 135), a tidal creek in Christchurch Harbour, Dorset, S England; approx,
lat. 50°43'N, long. 1°45'W. Recent, brackish water.

Derivation of name: After Professor J.W. Murray, University of Exeter, in honour of his Christchurch Harbour ecological
studies.

Diagnosis: Coarsely reticulate. Pattern of prominent ridges distinctive, particularly the two curved posterior ones
which continue into ventral and $ dorsal longitudinal ridges, respectively, the latter continuing through
the eye-spot to end antero-ventrally; central area of valve with short ridges anastomosing to a further main
longitudinal ridge just above mid height. Shape of copulatory appendages distinctive.

Explanation of Plate 5, 146

Fig. 1, 9 car., ext. It. lat. (holotype, 1977.45, 500 pm long); fig. 2, <3 car., ext. It. lat. (paratype, 1977.46, 490 pm long); fig. 3,
juv. (-1) car., ext. It. lat. (paratype, 1977.47, 420 long).

Scale A (200 pm; x 130), figs. 1 - 3.

-f -

-*"*■— H —

«— ! — t—

Stereo-Atlas of Ostracod Shells 5, 147

Callistocythere murrayi (3 of 8)

Figured specimens: Brit. Mus. (Nat. Hist.) nos. 1977.45 (holotype, 9 car.: PI. 5, 146, fig. 1), 1977.46 (d car.: PI. 5, 146,
fig. 2), 1977.47 (juv -1 car.: PI. 5, 146, fig. 3), 1977.48 (9 car.: PI. 5, 148, fig. 1), 1977.49 (9 car.: PI. 5,
148, fig. 2), 1977.50 (d car.: PI. 5, 148, fig. 3), 1977.51 (9 car.: PI. 5, 148, fig. 4), 1977.52 (d car.: PI. 5,
148, fig. 5), 1977.53 (d LV: PI. 5, 150, fig. 1; PI. 5, 152, figs. 1, 3, 6), 1977.54 (9 RV and soft parts:
PI. 5, 150, fig. 2), 1977.55 (d RV and soft parts: PI. 5, 150, fig. 3, Text-fig. 1), 1977.56 (9 RV: PI. 5,
152, figs. 2, 4, 5).

1977.45 - 47, 49, 50, 54 - 56 collected alive from Fucus ceranoides with epiphytes at the type
locality by J.E. Whittaker, 5th August 1969; salinity 7.4%o, water temperature 21.8°C. 1977.48,51 - 53
collected by J.W. Murray from sediment with green algae, 7th January 1960, at same locality; salinity
0.8 %o, water temperature 4.5 °C.

Explanation of Plate 5, 148

Fig. 1 , 9 car., ext. rt. lat. (paratype, 1977.48, 500 pm long); fig. 2, 9 car., ext. dors, (paratype, 1977.49, 500 long); fig. 3, d
car., ext. dors. (1977.50, 490 pm long); fig. 4, 9 car., ext. vent, (paratype, 1977.51, 510 pm long); fig. 5, 6 car., ext. vent,
(paratype, 1977.52, 500 pm long).

Scale A (200 pm; x 1 30), fig. 1 ; scale B (200 pm ; x 1 20).

]

Stereo-Atlas of Ostracod Shells 5, 149 Callistocythere murrayi (5 of 8)

Remarks: The present species has been compared with a great number of Recent European members of the genus,
particularly from the Mediterranean, (colls, of J. Athersuch, G.S. Brady, A.M. Norman, G.W. Muller,
G. Ruggieri and K. Wouters) and is found to be new.

Distribution: C. murrayi sp. nov. is known so far only from the type locality and from a few other tidal creeks in the
British Isles: Cresswell River at West Williamston, Dyfed, SW Wales (collected by J.E. Robinson), and the
following East Anglian localities: River Bure and Breydon Water, near Yarmouth, Norfolk; River Stour at
Manningtree, Essex; and Lothing Creek, Mutford, Suffolk (all from Brady Coll., Hancock Mus., Newcastle-
upon-Tyne, respectively faunal slide nos. U, W, , Y and Fj). Associated fauna in all cases includes
Cyprideis torosa (Jones), Elofsonia baltica (Hirschmann), Loxoconcha elliptica Brady, Cytherura gibba
(O.F. Muller), Leptocythere ilyophila (Hirschmann), L. lacertosa (Hirschmann) and/or L. castanea (Sars).
Such an exclusively brackish habitat for a species of Callistocythere appears to be rare, and is, as far as I
am aware, the first so far reported from European waters. Whatley & Moguilevsky (1975: Bull.
Am. Paleont., 65, 509), however, cite a number of examples in their discussion on the distribution and
ecology of Argentinian Leptocytheridae.

Explanation of Plate 5,150

Fig. 1, 6 LV, int. lat. (paratype, 1977.53, 490 long); fig. 2, 9 RV, int. lat. (paratype, 1977.54, 500 pm long) showing soft
parts; fig. 3, c? RV, int. lat. (paratype, 1977.55, 490 pm long) showing soft parts.

Scale A (200 pm\ x 1 20), figs. 1-3.

I 1-+"

J--L.

"t"

Stereo- Atlas of Ostracod Shells 5,151

Callistocythere murrayi (7 of 8)

Text-fig. 1, d rt. copulatory appendage (x 415;
1977.55). (Drawing kindly provided by Dr. J.
Athersuch). (Scale = 50 ^m).

Explanation of Plate 5,152

Figs. 1,3,6 , d LV, int. lat. (paratype, 1977.53, 490 pm long): fig. 1 , post, hinge, fig. 3, ant. hinge; fig. 6, int. view of pore (mid
region) showing sieve plate. Figs. 2, 4, 5, 9 RV, int. lat. (paratype, 1977.56, 190/rm long): fig. 2, ant. hinge; fig. 4, post, hinge;
fig. 5, muse. sc.

J_'_5j_s£i^£®J^Jj^l?JA.1^0J±fig^5^ca^CJ_5_^rm^_4,000)LfigL6;

Stereo-Atlas of Ostracod Shells 5, 152

Callistocy there murrayi (8 of 8)

Stereo-Atlas of Ostracod Shells 5, 150

Callistocythere murrayi (6 of 8)

Stereo-Atlas of Ostracod Shells 5 (26) 153 - 154 (1978)

Index, Volume 5, 1978(1 of 2)

General Index

Apatocythere spinosa Neale; 101 - 104

asymmetrica, Duplicristatia; 49-56

Athersuch, J., On Pterygocythereis jonesii (Baird); 9-16

Athersuch, J., On Pterygocythereis siveteri Athersuch sp. nov.; 1 - 8

aurantia, Xestoleberis; 21 - 34

Bate, R.H., On Lesleya bathonica Bate gen. et sp. nov.; 81-88

bathonica, Lesleya; 81-88

brendae, Micropneumatocythere; 89 - 96

Callistocythere murrayi Whittaker sp. nov.; 145 - 152

contracta, Cyamocytheridea; 121 - 124

crux, Karinutatia; 45 - 48

Cyamocytheridea contracta Doruk sp. nov.; 121 -124
Cyamocytheridea meniscus Doruk sp. nov.; 125-128
Cyamocytheridea obstipa Doruk sp. nov.; 129-132
Cyamocytheridea polygona Doruk sp. nov.; 133-136
Doruk, N., On Cyamocytheridea contracta Doruk sp. nov.; 121-124
Doruk, N., On Cyamocytheridea meniscus Doruk sp. nov.; 125-128
Doruk, N., On Cyamocytheridea obstipa Doruk sp. nov.; 129-132
Doruk, N., On Cyamocytheridea polygona Doruk sp. nov.; 133-136
Duplicristatia asymmetrica Schallreuter gen. et sp. nov.; 49 - 56
egorowi, Tetradella; 57-60
enigmatica, Rockallia; 137-144
falcata, Micropneumatocythere; 97-100

Frame, P., Whatley, R. & Whittaker, J.E., On Rockallia enigmatica Whatley, Frame & Whittaker sp. nov.; 137-144
horrescens, Phalcocy there; 117-120
jonesii, Pterygocythereis; 9-16
juddi, Schuleridea, 109-112

Karinutatia crux Schallreuter gen. et sp. nov.; 45 - 48

lamplughi, Schuleridea; 105-108

Lesleya bathonica Bate gen. et sp. nov.; 81-88

meniscus, Cyamocytheridea; 125-128

Micropneumatocythere brendae Sheppard sp. nov.; 89 - 96

Micropneumatocythere falcata Sheppard sp. nov.; 97-100

murrayi, Callistocythere; 145 - 152

Neale, J.W.; On Apatocythere spinosa Neale; 101 - 104

Neale, J.W.; On Schuleridea juddi Neale; 109-112

Neale, J.W.; On Schuleridea lamplughi Neale; 105 - 108

Neale, J.W.;On Schuleridea praethoerenensis Bartenstein & Brand; 113-116

nitida, Xestoleberis; 17-26

obstipa, Cyamocytheridea; 129-132

pentaloculata, Tetradella; 65-72

Phalcocy there horrescens (Bosquet); 117-120

polygona, Cyamocytheridea; 133-136

praethoerenensis, Schuleridea; 113-116

Pterygocythereis jonesii (Baird); 9-16

Pterygocythereis siveteri Athersuch sp. nov.; 1 - 8

Rockallia enigmatica Whatley, Frame & Whittaker sp. nov.; 137-144
rubens, Xestoleberis; 35 -44

Schallreuter, R.E.L., On Duplicristatia asymmetrica Schallreuter gen. et sp. nov.; 49 - 56

Schallreuter, R.E.L., On Karinutatia crux Schallreuter gen. et sp. nov.; 45 - 48

Schallreuter, R.E.L., On Tetradella egorowi Neckaja; 57 - 60

Schallreuter, R.E.L., On Tetradella pentaloculata Schallreuter sp. nov.; 65 - 72

Schallreuter, R.E.L., On Tetradella separata SidaraviCiene; 61-64

Schallreuter, R.E.L., On Tetradella? triloculata Schallreuter sp. nov.; 73 - 80

Schuleridea juddi Neale; 109 - 112

Schuleridea lamplughi Neale; 105-108

Schuleridea praethoerenensis Bartenstein & Brand; 113-116

separata, Tetradella; 61-64

Sheppard, L.M., On Micropneumatocythere brendae Sheppard sp. nov.; 89 -96
Sheppard, L.M., On Micropneumatocythere falcata Sheppard sp. nov.; 97-100
Siddiqui, Q.A., On Phalcocy there horrescens (Bosquet); 117-120
siveteri, Pterygocythereis; 1 - 8
spinosa, Apatocythere; 101 - 104

Stereo-Atlas of Ostracod Shells 5, 1 54

Index, Volume 5, 1978 (2 of 2)

Tetradella egorowi Neckaja; 57-60
Tetradella pentaloculata Schallreuter sp. nov.; 65 - 72
Tetradella separata SidaraviCiene; 61-64
Tetradella? triloculata Schallreuter sp. nov.; 73 - 80
triloculata, Tetradella?; 73-80

Whatley, R., Frame, P. & Whittaker, J.E., On Rockallia enigmatica Whatley, Frame & Whittaker sp. nov.; 137 - 144

Whittaker, J.E., On Callistocy there murrayi Whittaker sp. nov.; 145 - 152

Whittaker, J.E., On Xestoleberis aurantia (Baird); 27 - 34

Whittaker, J.E., On Xestoleberis nitida (Liljeborg); 17-26

Whittaker, J.E., On Xestoleberis rubens Whittaker sp. nov.; 35 -44

Whittaker, J.E., Whatley, R. & Frame, P., On Rockallia enigmatica Whatley, Frame & Whittaker sp. nov.; 137 - 144
Xestoleberis aurantia (Baird); 27 - 34
Xestoleberis nitida (Liljeborg); 17-26
Xestoleberis rubens Whittaker sp. nov.; 35 - 44

Index; Geological Horizon

See 1 (2) 5 -22 (1973) for explanation of the Schedules in the Universal Decimal Classification.

(1 13.312)

(113.313)

(1 16.222)

(116.311)

(1 16.312)

Middle Ordovician:

Karinutatia crux; 45 - 48
Upper Ordovician:

Duplicristatia asymmetrica; 49 - 56
Tetradella egorowi; 57 - 60
Tetradella pentaloculata; 65 - 72
Tetradella separata; 61-64
Tetradella? triloculata; 73-80
Bathonian:

Lesleya bathonica; 81-88
Micropneumatocythere brendae; 89 - 96
Micropneumatocythere falcata; 97 - 100
Berriasian:

Schuleridea juddi; 109-112
Hauterivian:

Apatocy there spinosa; 101 - 104
Schuleridea lamplughi; 105-108
Schuleridea praethoerenensis; 113-116

(118.14) Eocene:

Phalcocythere horrescens; 117-120
(118.213) Tortonian:

Cyamocytheridea contracta; 121-124
Cyamocytheridea meniscus; 125-128
Cyamocytheridea obstipa; 129-132
Cyamocytheridea polygona; 133-136
(1 19.4) Holocene:

Rockallia enigmatica; 137-144
( 1 19.9) Recent:

Callistocy there murrayi; 145 - 152
Pterygocythereis jonesii; 9-16
Pterygocythereis siveteri; 1 - 8
Xestoleberis aurantia; 27 - 34
Xestoleberis nitida; 17-26
Xestoleberis rubens; 35-44

Index; Geographical Location

See 1 (2) 5 - 22 (1973) for explanation of the Schedules in the Universal Decimal Classification

(261.26)

(261.268)

(261.27)

(261.28)

(262)

(423.8)

(425.78)

N. Sea:

Pterygocythereis jonesii; 9-16
Xestoleberis aurantia; 27 - 34
Xestoleberis nitida; 17-26
English Channel:

Callistocy there murrayi; 145 - 152
Irish Sea:

Pterygocythereis jonesii; 9-16
Pterygocythereis siveteri; 1-8
Rockallia enigmatica; 137 - 144
Bay of Biscay:

Pterygocythereis jonesii; 9-16
Pterygocythereis siveteri; 1 - 8
Xestoleberis nitida; 17-26
Xestoleberis rubens; 35-44
Mediterranean Sea:

Pterygocythereis jonesii; 9-16
Pterygocythereis siveteri; 1 - 8
Somerset:

Micropneumatocythere brendae; 89 - 96
Oxfordshire:

Lesleya bathonica; 81-88
Micropneumatocythere falcata; 97-100

(427.4) Yorkshire:

Apatocythere spinosa; 101 - 104
Schuleridea juddi; 109-112
Schuleridea lamplughi; 105 - 108
Schuleridea praethoerenensis; 113-116

(44) France:

Phalcocythere horrescens; 117-120

(486) Gotland:

Duplicristatia asymmetrica; 49-56
Karinutatia crux; 45 - 48
Tetradella egorowi; 57 - 60
Tetradella pentaloculata; 65 - 72
Tetradella separata; 61-64
Tetradella? triloculata; 73-80

(493) Belgium:

Phalcocythere horrescens; 1 17 - 120

(560) Turkey (Asia):

Cyamocytheridea contracta; 121 - 124
Cyamocytheridea meniscus; 125-128
Cyamocytheridea obstipa; 129-132
Cyamocytheridea polygona; 133-136

A Stereo -Atlas of Ostracod Shells

edited by R. H. Bate, J. W. Neale, Lesley M. Sheppard

and David J. Siveter

Volume 5 , 1978

Part 1 (pp. 1 - 80); 30th June, 1978
Part 2 (pp. 81 - 154); 22nd December, 1978

Published by The British Micropalaeontological Society
in association with Robertson Research International Ltd., Llandudno, Wales

Stereo-Atlas of Ostracod Shells 5, ii

Contents

Contents

1 On Pterygocythereis siveteri Athersuch sp. nov.; by J. Athersuch 1

2 On Pterygocythereis jonesii (Baird); by J. Athersuch 9

3 On Xestoleberis nitida (Liljeborg); by J.E. Whittaker 17

4 On Xestoleberis aurantia (Baird); by J.E. Whittaker 27

5 On Xestoleberis mbens Whittaker sp. nov.; by J.E. Whittaker 35

6 On Karinutatia crux Schallreuter gen. et sp. nov.; by R.E.L. Schallreuter 45

7 On Duplicristatia asymmetrica Schallreuter gen. et sp. nov.; by R.E.L. Schallreuter 49

8 On Tetradella egorowi Neckaja; by R.E.L. Schallreuter 5 7

9 On Tetradella separata Sidaraviciene; by R.E.L. Schallreuter 6 1

1 0 On Tetradella pentaloculata Schallreuter sp. nov.; by R.E.L. Schallreuter 65

1 1 On Tetradella? triloculata Schallreuter sp. nov.; by R.E.L. Schallreuter 73

12 On Lesleya bathonica Bate gen. et sp. nov.; by R.H. Bate 81

1 3 On Micropneumatocy there brendae Sheppard sp. nov.; by L.M. Sheppard 89

1 4 On Micropneumatocy there falcata Sheppard sp. nov.; by L.M. Sheppard 9 7

1 5 On Apatocythere spinosa Neale; by J.W. Neale 1 0 1

16 On Schuleridea lamplughi Neale; by J.W. Neale 105

17 On Schuleridea juddi Neale; by J.W. Neale 109

1 8 On Schuleridea praethoerenensis Bartenstein and Brand, by J.W. Neale 1 1 3

1 9 On Phalcocy there horrescens ( Bosquet); by Q. A. Siddiqui 1 1 7

20 On Cyamocytheridea contracta Doruk sp. nov.; by N. Doruk 1 2 1

21 On Cyamocytheridea meniscus Doruk sp. nov.; by N. Doruk 125

22 On Cyamocytheridea obstipa Doruk sp. nov.; by N. Doruk 129

23 On Cyamocytheridea polygona Doruk sp. nov.; by N. Doruk 133

24 On Rockallia enigmatica Whatley, Frame and Whittaker gen. et sp. nov.; 1 37

by R. Whatley, P. Frame and J.E. Whittaker

25 On Callistocy there murrayi Whittaker sp. nov.; by J.E. Whittaker 145

26 Index for Volume 5, 1978 1 53

Stereo -Atlas of Ostracod Shells: Vol.5, Part 2

5

(12)

81 -

88

5

(13)

OO

NO

96

5

(14)

97 -

100

5

(15)

101

- 104

5

(16)

105

- 108

5

(17)

109

- 112

5

(18)

113

- 116

5

(19)

117

- 120

5

(20)

121

- 124

5

(21)

125

- 128

5

(22)

129

- 132

5

(23)

133

- 136

5

(24)

137

- 144

5

(25)

145

- 152

5

(26)

153

- 154

CONTENTS

On Lesleya bathonica Bate gen. et sp. nov.; by R.H. Bate
On Micropneumatocy there brendae Sheppard sp. nov.; by L.M. Sheppard
On Micropneumatocy there falcata Sheppard sp. nov.; by L.M. Sheppard
On Apatocythere spinosa Neale; by J.W. Neale
On Schuleridea lamplughi Neale; by J.W. Neale
On Schuleridea juddi Neale; by J.W. Neale

On Schuleridea praethoerenensis Bartenstein and Brand; by J.W. Neale
On Phalcocythere horrescens (Bosquet); by Qadeer A. Siddiqui
On Cyamocytheridea contracta Doruk sp. nov.; by N. Doruk
On Cyamocytheridea meniscus Doruk sp. nov.; by N. Doruk
On Cyamocytheridea obstipa Doruk sp. nov.; by N. Doruk
On Cyamocytheridea polygona Doruk sp. nov.; by N. Doruk
On Rockallia enigmatica Whatley, Frame and Whittaker gen.et sp. nov.;

by R. Whatley, P. Frame and J.E. Whittaker
On Callistocy there murrayi Whittaker sp. nov.; by J.E. Whittaker
Index for Volume 5, 1978

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Prices of Numbers as shown in Lists of Contents for each Part
Postage extra in sales of all back Numbers and back Parts
No trade discount is allowed on the subscription rate

Orders should be addressed to: Dr. C.W. Haskins, Robertson Research
International Ltd., ‘Ty’n-y-Coed’, Llanrhos, Llandudno, Gwynedd, LL30 ISA.

Cheques should be made payable to Robertson Research Co. (Stereo-Atlas Account)

SPECIAL OFFER

50% off all back part prices if
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