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dc.contributor.author
Butler, Richard
dc.contributor.author
Sennikov, Andrey
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dc.contributor.author
Ezcurra, Martin Daniel
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dc.contributor.author
Gower, David
dc.date.available
2021-01-27T22:42:13Z
dc.date.issued
2019-10
dc.identifier.citation
Butler, Richard; Sennikov, Andrey; Ezcurra, Martin Daniel; Gower, David; The last erythrosuchid-a revision of Chalishevia cothurnata from the late Middle Triassic of European Russia; Polish Academy of Sciences. Institute of Paleobiology; Acta Palaeontologica Polonica; 64; 4; 10-2019; 757-774
dc.identifier.issn
0567-7920
dc.identifier.uri
http://hdl.handle.net/11336/123959
dc.description.abstract
Erythrosuchidae is a clade of early archosauriform reptiles that were large-bodied, hypercarnivorous, possibly apex predators in late Early and Middle Triassic ecosystems following the Permo-Triassic mass extinction. Chalishevia cothurnata from the late Middle Triassic (Ladinian) of Russia, is the stratigraphically youngest known erythrosuchid species, but the holotype and referred material of this taxon has received little study. Here, we provide the first detailed anatomical description of C. cothurnata, including comparisons to other erythrosuchids. Although known from relatively fragmentary material, the anatomy of C. cothurnata is distinctive, including an autapomorphic strongly slanted ventral border of the antorbital fossa. The presence of a large accessory opening (the “accessory antorbital fenestra”) in the skull between the premaxilla, nasal and maxilla, together with the inferred presence of a narrow postnarial process of the premaxilla that articulated with a slot on the nasal, provides strong evidence for a sister taxon relationship between C. cothurnata and the erythrosuchid Shansisuchus shansisuchus from the early Middle Triassic (Anisian) of China. The inferred basal skull length of C. cothurnata was approximately 80 cm, making it one of the largest erythrosuchids known.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Polish Academy of Sciences. Institute of Paleobiology
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
ANATOMY
dc.subject
ARCHOSAURIFORMES
dc.subject
BUKOBAY GORIZONT
dc.subject
ERYTHROSUCHIDAE
dc.subject
LADINIAN
dc.subject
RUSSIA
dc.subject
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
The last erythrosuchid-a revision of Chalishevia cothurnata from the late Middle 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
2020-11-26T17:46:03Z
dc.identifier.eissn
1732-2421
dc.journal.volume
64
dc.journal.number
4
dc.journal.pagination
757-774
dc.journal.pais
Polonia
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dc.journal.ciudad
Varsovia
dc.description.fil
Fil: Butler, Richard. University of Birmingham; Reino Unido
dc.description.fil
Fil: Sennikov, Andrey. Kazan Federal University. Institute of Geology and Petroleum Technologies; Rusia
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
dc.description.fil
Fil: Gower, David. Natural History Museum; Reino Unido
dc.journal.title
Acta Palaeontologica Polonica
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.app.pan.pl/article/item/app006482019.html
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.4202/app.00648.2019
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