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dc.contributor.author
Butler, Richard J.
dc.contributor.author
Ezcurra, Martin Daniel
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dc.contributor.author
Liu, Jun
dc.contributor.author
Sookias, Roland B.
dc.contributor.author
Sullivan, Corwin
dc.date.available
2021-01-05T19:10:06Z
dc.date.issued
2019-02
dc.identifier.citation
Butler, Richard J.; Ezcurra, Martin Daniel; Liu, Jun; Sookias, Roland B.; Sullivan, Corwin; The anatomy and phylogenetic position of the erythrosuchid archosauriform Guchengosuchus shiguaiensis from the earliest Middle Triassic of China; PeerJ Inc; PeerJ; 2019; 2; 2-2019; 1-47
dc.identifier.issn
2167-8359
dc.identifier.uri
http://hdl.handle.net/11336/121529
dc.description.abstract
Erythrosuchidae is a clade of early archosauriform reptiles, which were apex predators in many late Early and Middle Triassic ecosystems, following the Permo-Triassic mass extinction. Erythrosuchids had a worldwide distribution, with well-preserved fossil material known from South Africa, European Russia, and China. We here redescribe the anatomy and revise the taxonomy of Guchengosuchus shiguaiensis, which is one of the stratigraphically oldest erythrosuchids and is known from a single partial skeleton from the lowermost Middle Triassic (lower Anisian) lower Ermaying Formation of Shaanxi Province, China. We provide a new differential diagnosis for Guchengosuchus shiguaiensis, and identify a series of autapomorphies relating to the morphologies of the skull roof and vertebrae. Incorporating updated anatomical information for Guchengosuchus into the most comprehensive morphological phylogenetic analysis available for early archosauromorphs recovers it as an early branching member of Erythrosuchidae, outside of the clade formed by Garjainia, Erythrosuchus, Chalishevia, and Shansisuchus. Fugusuchus hejiapanensis, from the uppermost Lower Triassic to lower Middle Triassic Heshanggou Formation of China, is recovered as the earliest branching member of Erythrosuchidae.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
PeerJ Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Archosauromorpha
dc.subject
Erythrosuchidae
dc.subject
Triassic
dc.subject
China
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 anatomy and phylogenetic position of the erythrosuchid archosauriform Guchengosuchus shiguaiensis from the earliest Middle Triassic of China
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-18T20:10:12Z
dc.journal.volume
2019
dc.journal.number
2
dc.journal.pagination
1-47
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Butler, Richard J.. 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
dc.description.fil
Fil: Liu, Jun. Chinese Academy of Sciences; República de China
dc.description.fil
Fil: Sookias, Roland B.. Museum für Naturkunde; Alemania
dc.description.fil
Fil: Sullivan, Corwin. University of Alberta; Canadá
dc.journal.title
PeerJ
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://peerj.com/articles/6435
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.7717/peerj.6435
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