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Artículo

The first iguanian lizard from the Mesozoic of Africa

Apesteguía, SebastiánIcon ; Daza, Juan D.; Simões, Tiago R.; Rage, Jean Claude
Fecha de publicación: 09/2016
Editorial: The Royal Society
Revista: Royal Society Open Science
e-ISSN: 2054-5703
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Paleontología

Resumen

The fossil record shows that iguanian lizards were widely distributed during the Late Cretaceous. However, the biogeographic history and early evolution of one of its most diverse and peculiar clades (acrodontans) remain poorly known. Here, we present the first Mesozoic acrodontan from Africa, which also represents the oldest iguanian lizard from that continent. The new taxon comes from the Kem Kem Beds in Morocco (Cenomanian, Late Cretaceous) and is based on a partial lower jaw. The new taxon presents a number of features that are found only among acrodontan lizards and shares greatest similarities with uromastycines, specifically. In a combined evidence phylogenetic dataset comprehensive of all major acrodontan lineages using multiple tree inference methods (traditional and implied weighting maximum-parsimony, and Bayesian inference), we found support for the placement of the new species within uromastycines, along with Gueragama sulamericana (Late Cretaceous of Brazil). The new fossil supports the previously hypothesized widespread geographical distribution of acrodontans in Gondwana during the Mesozoic. Additionally, it provides the first fossil evidence of uromastycines in the Cretaceous, and the ancestry of acrodontan iguanians in Africa.
Palabras clave: Acrodonta , Biogeography , Cretaceous , Gondwana , Phylogeny , Squamata
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/18384
DOI: http://dx.doi.org/10.1098/rsos.160462
Colecciones
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Citación
Apesteguía, Sebastián; Daza, Juan D.; Simões, Tiago R.; Rage, Jean Claude; The first iguanian lizard from the Mesozoic of Africa; The Royal Society; Royal Society Open Science; 3; 9; 9-2016; 1-13
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