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dc.contributor.author
Butler, Richard J.
dc.contributor.author
Sennikov, Andrey G.
dc.contributor.author
Dunne, Emma M.
dc.contributor.author
Ezcurra, Martin Daniel
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dc.contributor.author
Hedrick, Brandon P.
dc.contributor.author
Maidment, Susannah C. R.
dc.contributor.author
Meade, Luke E.
dc.contributor.author
Raven, Thomas J.
dc.contributor.author
Gower, David J.
dc.date.available
2020-12-21T14:11:34Z
dc.date.issued
2019-11
dc.identifier.citation
Butler, Richard J.; Sennikov, Andrey G.; Dunne, Emma M.; Ezcurra, Martin Daniel; Hedrick, Brandon P.; et al.; Cranial anatomy and taxonomy of the erythrosuchid archosauriform ‘Vjushkovia triplicostata’ Huene, 1960, from the Early Triassic of European Russia; Royal Society Publishing; Royal Society Open Science; 6; 11; 11-2019; 1-26
dc.identifier.issn
2054-5703
dc.identifier.uri
http://hdl.handle.net/11336/120925
dc.description.abstract
Erythrosuchidae are a globally distributed and important group of apex predators that occupied Early and Middle Triassic terrestrial ecosystems following the Permo-Triassic mass extinction. The stratigraphically oldest known genus of Erythrosuchidae is Garjainia Ochev, 1958, which is known from the late Early Triassic (late Olenekian) of European Russia and South Africa. Two species of Garjainia have been reported from Russia: the type species, Garjainia prima Ochev, 1958, and ‘Vjushkovia triplicostata’ von Huene, 1960, which has been referred to Garjainia as either congeneric (Garjainia triplicostata) or conspecific (G. prima). The holotype of G. prima has received relatively extensive study, but little work has been conducted on type or referred material attributed to ‘V. triplicostata’. However, this material includes well-preserved fossils representing all parts of the skeleton and comprises seven individuals. Here, we provide a comprehensive description and review of the cranial anatomy of material attributed to ‘V. triplicostata’, and draw comparisons with G. prima. We conclude that the two Russian taxa are indeed conspecific, and that minor differences between them result from a combination of preservation or intraspecific variation. Our reassessment therefore provides additional information on the cranial anatomy of G. prima. Moreover, we quantify relative head size in erythrosuchids and other early archosauromorphs in an explicit phylogenetic context for the first time. Our results show that erythrosuchids do indeed appear to have disproportionately large skulls, but that this is also true for other early archosauriforms (i.e. proterosuchids), and may reflect the invasion of hypercarnivorous niches by these groups following the Permo-Triassic extinction.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society Publishing
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
ARCHOSAURIFORMES
dc.subject
BODY SIZE
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RUSSIA
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TAXONOMY
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TRIASSIC
dc.subject.classification
Paleontología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Cranial anatomy and taxonomy of the erythrosuchid archosauriform ‘Vjushkovia triplicostata’ Huene, 1960, from the Early Triassic of European Russia
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-26T17:46:06Z
dc.journal.volume
6
dc.journal.number
11
dc.journal.pagination
1-26
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Butler, Richard J.. University of Birmingham; Reino Unido
dc.description.fil
Fil: Sennikov, Andrey G.. Paleontological Institute of Russian Academy of Sciences; Rusia. Kazan Federal University; Rusia
dc.description.fil
Fil: Dunne, Emma M.. University of Birmingham; Reino Unido
dc.description.fil
Fil: Ezcurra, Martin Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina. University of Birmingham; Reino Unido
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Fil: Hedrick, Brandon P.. University of Oxford; Reino Unido
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Fil: Maidment, Susannah C. R.. Natural History Museum; Reino Unido. University of Birmingham; Reino Unido
dc.description.fil
Fil: Meade, Luke E.. University of Birmingham; Reino Unido
dc.description.fil
Fil: Raven, Thomas J.. University of Brighton; Reino Unido. Natural History Museum; Reino Unido
dc.description.fil
Fil: Gower, David J.. Natural History Museum; Reino Unido
dc.journal.title
Royal Society Open Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://royalsocietypublishing.org/doi/10.1098/rsos.191289
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1098/rsos.191289
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