An articulated sauropterygian marine reptile from the Middle Triassic of the South-Iberian Palaeomargin, Betic Cordillera, Southeastern Spain

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Title: An articulated sauropterygian marine reptile from the Middle Triassic of the South-Iberian Palaeomargin, Betic Cordillera, Southeastern Spain
Authors: Berrocal-Casero, Mélani | Pérez-Valera, Juan Alberto | Reolid, Matías | De Gea, Ginés | Espín De Gea, Antonio | Peñalver Aroca, Francisco Manuel | Pérez-Valera, Fernando
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente
Keywords: Middle Triassic | Eosauropterygia | Marine reptile | Betic Cordillera | Muschelkalk
Issue Date: 21-Feb-2023
Publisher: Scandinavian University Press
Citation: Lethaia. 2023, 56(1): 1-14. https://doi.org/10.18261/let.56.1.4
Abstract: A new Triassic small marine reptile has been found in the locality of Cehegín (Murcia, Southeastern Spain). The fossil remains mainly comprise moulds of the bones and some osseous fragments still embedded in the rock. These correspond to an articulated sauropterygian, being distinguishable the cervical vertebrae in one rock, while the other rock preserves the middle-inferior part of the body, being differentiated some dorsal, sacral and caudal vertebrae, the ribs, the gastralia, part of one forelimb, part of the hindlimbs and some pelvic elements that can be also intuited. The moulds of dorsal vertebrae, the ribs and the gastralia are overlapped, but it can be distinguished that the ribs are pachiostotic and the gastral ribs are constituted by different components (partite gastral ribs). The features of this reptile permit to refer it to Eosauropterygia. This discovery constitutes the most complete sauropterygian found, to date, in the South-Iberian Palaeomargin of the Tethys, and adds new information about the diversity and palaeogeographical distribution of Sauropterygia in the Middle Triassic, indicating that it was greater than previously believed.
Sponsor: Post-doctoral Grant ‘Margarita Salas’ (UCM.CT31/21) of MBC from the Complutense University of Madrid, Spain. This is a contribution to Research Project CGL 2015/66604 from the Ministry of Economy and Competitiveness of Spain, and to the Research groups ‘PaleoIbérica’ from the University of Alcalá, ‘Procesos Bióticos Mesozoicos’ from the Complutense University of Madrid, and RNM-200 (Junta de Andalucía) from the University of Jaén, Spain.
URI: http://hdl.handle.net/10045/132348
ISSN: 0024-1164 (Print) | 1502-3931 (Online)
DOI: 10.18261/let.56.1.4
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2023 Author(s). This is an open access article distributed under the terms of the Creative Commons CC-BY 4.0 License. Published by Scandinavian University Press on behalf of Lethaia Foundation.
Peer Review: si
Publisher version: https://doi.org/10.18261/let.56.1.4
Appears in Collections:Personal Investigador sin Adscripción a Grupo

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