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dc.contributor.author
Schmitt, Maurício Rodrigo
dc.contributor.author
Martinelli, Agustín Guillermo
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dc.contributor.author
Leal Kaiuca, João Felipe
dc.contributor.author
Schultz, Cesar Leandro
dc.contributor.author
Soares, Marina Bento
dc.date.available
2024-03-06T10:07:45Z
dc.date.issued
2023-05
dc.identifier.citation
Schmitt, Maurício Rodrigo; Martinelli, Agustín Guillermo; Leal Kaiuca, João Felipe; Schultz, Cesar Leandro; Soares, Marina Bento; Old fossil findings in the Upper Triassic rocks of southern Brazil improve diversity of traversodontid cynodonts (Therapsida, Cynodontia); John Wiley and Sons Inc; Anatomical Record; 5-2023; 1-41
dc.identifier.issn
1932-8486
dc.identifier.uri
http://hdl.handle.net/11336/229418
dc.description.abstract
In this contribution we describe a new genus and species of gomphodontosuchinecynodont from the Late Triassic Hyperodapedon Assemblage Zone (AZ)of the Santa Maria Supersequence of southern Brazil, based on material collected20 years ago. The new taxon, Santagnathus mariensis gen. et sp. nov., isbased on numerous cranial and postcranial remains, which altogether providedata on several parts of the skeleton. Santagnathus mariensis is closely relatedto Siriusgnathus niemeyerorum and Exaeretodon spp. and expands the knowledgeabout gomphodontosuchine cynodonts. Morphologically, the new specieshas a skull bauplan particularly similar to S. niemeyerorum andE. riograndensis, differing from them by a unique combination of traits such asthree upper incisors, the absence of a descending process in the jugal, a moreposterior position of the postorbital bar and a preorbital region larger than thetemporal one. The new traversodontid was found associated with the rhynchosaurHyperodapedon sp., corroborating the assignment of the cynodont fossilsto the Hyperodapedon AZ. We also provide comments on the status of theArgentine traversodontid cynodont Proexaeretodon vincei, typically considereda junior synonym of Exaeretodon argentinus, and here accepted as a validtaxon.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley and Sons Inc
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
EUCYNODONTIA
dc.subject
LATE TRIASSIC
dc.subject
SANTA MARIA SUPERSEQUENCE
dc.subject
TRAVERSODONTIDAE
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
Old fossil findings in the Upper Triassic rocks of southern Brazil improve diversity of traversodontid cynodonts (Therapsida, Cynodontia)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-03-05T11:28:23Z
dc.identifier.eissn
1932-8494
dc.journal.pagination
1-41
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
New York
dc.description.fil
Fil: Schmitt, Maurício Rodrigo. Universidade Federal do Rio Grande do Sul; Brasil
dc.description.fil
Fil: Martinelli, Agustín Guillermo. 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: Leal Kaiuca, João Felipe. Universidade Federal do Rio de Janeiro; Brasil
dc.description.fil
Fil: Schultz, Cesar Leandro. Universidade Federal do Rio Grande do Sul; Brasil
dc.description.fil
Fil: Soares, Marina Bento. Universidade Federal do Rio de Janeiro; Brasil
dc.journal.title
Anatomical Record
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.25244
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/ar.25244
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