Phylogenetic analysis and revision of the trilobite subfamily Balnibarbiinae (Olenidae)
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Phylogenetic analysis and revision of the trilobite subfamily Balnibarbiinae (Olenidae)
- Publication date
- 2019
- Topics
- Balnibarbiinae, Phylogeny, Geographical distribution, Paleontology, Trilobites, Arthropoda, Fossil, Balnibarbiinae -- Phylogeny, Balnibarbiinae -- Classification, Balnibarbiinae -- Geographical distribution, Paleontology -- Cambrian, Paleontology -- Ordovician, Trilobites -- Norway -- Svalbard, Trilobites -- Nevada, Trilobites -- Alaska, Trilobites -- Geographical distribution, Arthropoda, Fossil -- Norway -- Svalbard, Arthropoda, Fossil -- Nevada, Arthropoda, Fossil -- Alaska, Arthropoda, Fossil -- Geographical distribution
- Publisher
- New York, NY : American Museum of Natural History
- Collection
- americanmuseumnaturalhistory; biodiversity
- Contributor
- American Museum of Natural History Library
- Language
- English
- Rights-holder
- American Museum of Natural History Library
- Volume
- no. 3928
20 pages : 26 cm
The Balnibarbiinae is one of eight subfamilies of the Olenidae, a diverse family of late Cambrian to Ordovician trilobites. Balnibarbiine species occur in a relatively continuous section of deeper-water sediments exposed along the northeastern coastline of Spitsbergen, Svalbard, as well as scattered deeper-water beds in central Nevada. Results of phylogenetic analyses of the subfamily using both parsimony and Bayesian methods are consistent with a previous hypothesis based on phyletic similarity and stratigraphic range. Cloacaspis Fortey, 1974, is supported as monophyletic, but the support for Balnibarbi Fortey, 1974, is weak, and the genus may be paraphyletic to Cloacaspis even with the reassignment of Balnibarbi ceryx Fortey, 1974, to Cloacaspis. New field collections and discovery of previously undescribed material in museum and survey collections provides the basis for emended descriptions of the genus Cloacaspis, as well as Cloacaspis tesselata Fortey and Droser, 1999, Cloacaspis ekphymosa Fortey, 1974, and Balnibarbi erugata Fortey, 1974, and expands the geographic range of the subfamily to Alaska
Caption title
"May 7, 2019."
Local PDF available in high- and low-resolution versions
Includes bibliographical references (pages 18-20)
The Balnibarbiinae is one of eight subfamilies of the Olenidae, a diverse family of late Cambrian to Ordovician trilobites. Balnibarbiine species occur in a relatively continuous section of deeper-water sediments exposed along the northeastern coastline of Spitsbergen, Svalbard, as well as scattered deeper-water beds in central Nevada. Results of phylogenetic analyses of the subfamily using both parsimony and Bayesian methods are consistent with a previous hypothesis based on phyletic similarity and stratigraphic range. Cloacaspis Fortey, 1974, is supported as monophyletic, but the support for Balnibarbi Fortey, 1974, is weak, and the genus may be paraphyletic to Cloacaspis even with the reassignment of Balnibarbi ceryx Fortey, 1974, to Cloacaspis. New field collections and discovery of previously undescribed material in museum and survey collections provides the basis for emended descriptions of the genus Cloacaspis, as well as Cloacaspis tesselata Fortey and Droser, 1999, Cloacaspis ekphymosa Fortey, 1974, and Balnibarbi erugata Fortey, 1974, and expands the geographic range of the subfamily to Alaska
Caption title
"May 7, 2019."
Local PDF available in high- and low-resolution versions
Includes bibliographical references (pages 18-20)
- Abstract
- The Balnibarbiinae is one of eight subfamilies of the Olenidae, a diverse family of late Cambrian to Ordovician trilobites. Balnibarbiine species occur in a relatively continuous section of deeper-water sediments exposed along the northeastern coastline of Spitsbergen, Svalbard, as well as scattered deeper-water beds in central Nevada. Results of phylogenetic analyses of the subfamily using both parsimony and Bayesian methods are consistent with a previous hypothesis based on phyletic similarity and stratigraphic range. Cloacaspis Fortey, 1974, is supported as monophyletic, but the support for Balnibarbi Fortey, 1974, is weak, and the genus may be paraphyletic to Cloacaspis even with the reassignment of Balnibarbi ceryx Fortey, 1974, to Cloacaspis. New field collections and discovery of previously undescribed material in museum and survey collections provides the basis for emended descriptions of the genus Cloacaspis, as well as Cloacaspis tesselata Fortey and Droser, 1999, Cloacaspis ekphymosa Fortey, 1974, and Balnibarbi erugata Fortey, 1974, and expands the geographic range of the subfamily to Alaska.
- Addeddate
- 2019-05-08 16:39:35
- Call number
- amnhnovitates3928
- Call-number
- amnhnovitates3928
- External-identifier
- urn:doi:10.1206/3928.1
- Foldoutcount
- 0
- Genre
- bibliography
- Identifier
- phylogeneticana00hopk
- Identifier-ark
- ark:/13960/t0bw53h2p
- Identifier-bib
- amnhnovitates3928
- Ocr
- ABBYY FineReader 11.0 (Extended OCR)
- Pages
- 20
- Possible copyright status
- In copyright. Digitized with the permission of the rights holder.
- Ppi
- 451
- Year
- 2019
- Full catalog record
- MARCXML
This book is available with additional data at Biodiversity Heritage Library.
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