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The first South American sandownid turtle fromthe Lower Cretaceous of Colombia

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dc.creatorCadena, Edwin Alberto
dc.date.accessioned2020-08-19T14:40:54Z
dc.date.available2020-08-19T14:40:54Z
dc.date.created2015-01-01spa
dc.description.abstractSandownids are a group of Early Cretaceous-Paleocene turtles that for several decades have been only known by cranial and very fragmentary postcranial elements. Here I report and describe the most complete sandownid turtle known so far, including articulated skull, lower jaw and postcranial elements, fromthe Early Cretaceous (upper Barremian-lower Aptian, >120 Ma), Paja Formation, Villa de Leyva town, Colombia. The new Colombian sandownid is defined here as Leyvachelys cipadi new genus, new species and because of its almost identical skull morphology with a previously reported turtle fromthe Glen Rose Formation, Texas, USA, both are grouped in a single and officially (ICNZ rules) defined taxon. Phylogenetic analysis including L. cipadi supports once again the monophyly of Sandownidae, as belonging to the large and recently redefined Pan-Chelonioidea clade. The morphology of L. cipadi indicates that sandownids were not open marine turtles, but instead littoral to shallow marine durophagous dwellers. Leyvachelys cipadi not only constitutes the first record of sandowinds in South America, but also the earliest global record for the group.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.7717/peerj.1431
dc.identifier.issnISSN: 2167-8359
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/27069
dc.language.isoengspa
dc.publisherO'Reilly and SAGEspa
dc.relation.citationIssueNo. 12
dc.relation.citationTitlePeerJ
dc.relation.ispartofPeerJ, ISSN: 2167-8359, No.12 (2015); e1431spa
dc.relation.urihttps://peerj.com/articles/1431/spa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccess
dc.rights.accesoAbierto (Texto Completo)spa
dc.sourcePeerJspa
dc.source.instnameinstname:Universidad del Rosario
dc.source.reponamereponame:Repositorio Institucional EdocUR
dc.subject.keywordSandownidsspa
dc.subject.keywordCretaceous-Paleocene turtlesspa
dc.subject.keywordCretaceous-Paleocene turtlesspa
dc.titleThe first South American sandownid turtle fromthe Lower Cretaceous of Colombiaspa
dc.title.TranslatedTitleLa primera tortuga sandownid sudamericana del Cretácico Inferior de Colombiaspa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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