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dc.contributor.author
Chambi Trowell, Sofia A. V.  
dc.contributor.author
Martinelli, Agustín Guillermo  
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Whiteside, David I.  
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Romo de Vivar Martínez, Paulo Rodrigo  
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Bento Soares, Marina  
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Schultz, Cesar  
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Gill, Pamela G.  
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Benton, Michael J.  
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Rayfield, Emily J.  
dc.date.available
2022-10-03T10:27:21Z  
dc.date.issued
2021-11  
dc.identifier.citation
Chambi Trowell, Sofia A. V.; Martinelli, Agustín Guillermo; Whiteside, David I.; Romo de Vivar Martínez, Paulo Rodrigo; Bento Soares, Marina; et al.; The diversity of Triassic South American sphenodontians: a new basal form, clevosaurs, and a revision of rhynchocephalian phylogeny; Taylor & Francis; Journal of Systematic Palaeontology; 19; 11; 11-2021; 787-820  
dc.identifier.issn
1477-2019  
dc.identifier.uri
http://hdl.handle.net/11336/171390  
dc.description.abstract
Rhynchocephalians are a group of lizard-like diapsid reptiles that were very diverse during the Mesozoic but are now restricted to a single extant genus in New Zealand. Recent cladistic analyses have revealed two major clades, Eusphenodontia and the more crownward Neosphenodontia, but relationships of individual taxa have remained difficult to determine because of missing data and an unrevised data matrix. Here we drastically revise the established data matrix on rhynchocephalians by reassessing, evaluating, and adding new characters and operational taxonomic units, differing from any previous analyses in our goal to consider all known rhynchocephalians. In addition, we describe a new genus and species of an early eusphenodontian taxon from the Norian of southern Brazil, with a unique mosaic of plesiomorphic and apomorphic traits, and we re-examine the craniodental anatomy of the eusphenodontian Clevosaurus brasiliensis with µCT imaging, revealing a unique form of acrodonty amongst rhynchocephalians.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Taylor & Francis  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
CLADISTICS  
dc.subject
CLEVOSAURUS  
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MORPHOLOGY  
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RHYNCHOCEPHALIA  
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SPHENODONTIA  
dc.subject
TRIASSIC  
dc.subject.classification
Paleontología  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
The diversity of Triassic South American sphenodontians: a new basal form, clevosaurs, and a revision of rhynchocephalian phylogeny  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2022-09-13T11:01:33Z  
dc.journal.volume
19  
dc.journal.number
11  
dc.journal.pagination
787-820  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Cambridge  
dc.description.fil
Fil: Chambi Trowell, Sofia A. V.. University of Bristol; Reino Unido  
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: Whiteside, David I.. University of Bristol; Reino Unido  
dc.description.fil
Fil: Romo de Vivar Martínez, Paulo Rodrigo. Universidade Federal do Rio Grande do Sul; Brasil  
dc.description.fil
Fil: Bento Soares, Marina. Universidade Federal do Rio Grande do Sul; Brasil  
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Fil: Schultz, Cesar. Universidade Federal do Rio Grande do Sul; Brasil  
dc.description.fil
Fil: Gill, Pamela G.. University of Bristol; Reino Unido  
dc.description.fil
Fil: Benton, Michael J.. University of Bristol; Reino Unido  
dc.description.fil
Fil: Rayfield, Emily J.. University of Bristol; Reino Unido  
dc.journal.title
Journal of Systematic Palaeontology  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/14772019.2021.1976292  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/14772019.2021.1976292