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A new Crocodyloidea from the middle Eocene of Zamora (Duero Basin, Spain)

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dc.contributor.authorNarváez Padilla, Iván
dc.contributor.authorCelis, Ane de
dc.contributor.authorEscaso Santos, Fernando
dc.contributor.authorMartín de Jesús, Santiago
dc.contributor.authorPérez García, Adán
dc.contributor.authorOrtega Coloma, Francisco Javier
dc.date.accessioned2025-02-10T13:24:40Z
dc.date.available2025-02-10T13:24:40Z
dc.date.issued2024-03-05
dc.descriptionThe registered version of this article, first published in "Anatomical Record, 1–15", is available online at the publisher's website: Wiley, https://doi.org/10.1002/ar.25422
dc.descriptionLa versión registrada de este artículo, publicado por primera vez en "Anatomical Record, 1–15", está disponible en línea en el sitio web del editor: Wiley, https://doi.org/10.1002/ar.25422
dc.description.abstractThe eusuchian crocodyliforms recorded in the Eocene levels of the Spanish Duero Basin belong to three lineages: Planocraniidae, with the species Duerosuchus piscator; Alligatoroidea, represented by several specimens of the genus Diplocynodon; and Crocodyloidea, which includes several specimens traditionally attributed to Asiatosuchus. The genus Asiatosuchus, established in 1940 based on a middle Eocene species from Mongolia, has subsequently served as a wastebasket taxon for Paleogene remains belonging to several species, not only from Asia but also belonging to the European and North American records. Many of these species are known by highly fragmentary remains, sharing the presence of characters such as a flat and triangular skull, and long symphyses in the lower jaw, recognized as characteristic for the crocodyloids. In addition to isolated cranial remains, among the material traditionally attributed to Asiatosuchus at the Duero Basin stands out a nearly complete skull and a left mandible, from the middle Eocene area of Casaseca de Campeán (Zamora Province). The present study analyses in detail these specimens, previously reported during the 1980s, but analyzed in a very preliminary way. They are included for the first time in a phylogenetic analysis to establish the systematic position of this Spanish form. The results confirm that it corresponds to a new species of basal crocodyloid, defined here as Asiatosuchus oenotriensis sp. nov.en
dc.description.versionversión publicada
dc.identifier.citationNarváez, I., de Celis, A., Escaso, F., Martín de Jesús, S., Pérez-García, A., & Ortega, F. (2024). A new Crocodyloidea from the middle Eocene of Zamora (Duero Basin, Spain). The Anatomical Record, 1–15. https://doi.org/10.1002/ar.25422
dc.identifier.doihttps://doi.org/10.1002/ar.25422
dc.identifier.issn1932-8486 | eISSN 1932-8494
dc.identifier.urihttps://hdl.handle.net/20.500.14468/25876
dc.journal.issueSPECIAL ISSUE ARTICLE
dc.journal.titleAnatomical Record
dc.language.isoen
dc.publisherWiley
dc.relation.centerFacultades y escuelas::Facultad de Ciencias
dc.relation.departmentFísica Matemática y de Fluídos
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject22 Física
dc.titleA new Crocodyloidea from the middle Eocene of Zamora (Duero Basin, Spain)en
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
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