Oryctos
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Accès privé :
| volume 6, 2006 |
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Eberhard Frey, Marie-Céline Buchy, Wolfgang Stinnesbeck, Arturo Gonzalez Gonzalez & Alfredo di Stefano, Muzquizopteryx coahuilensis n.g., n. sp., a nyctosaurid pterosaur with soft tissue preservation from the Coniacian (Late Cretaceous) of northeast Mexico (Coahuila). Oryctos 6, 19-40.
Here we describe the first near complete and articulated pterosaur from Mexico. It comes from Late Cretaceous (Early Coniacian) laminated limestones of the Austin Group in the vicinity of Muzquiz, Coahuila (NE Mexico). The specimen is named a new genus and species, Muzquizopteryx coahuilensis gen. et sp. nov. is referred to Nyctosauridae and represents the earliest known member of this taxon. With a wingspan of about two metres it represents the smallest known adult nyctosaurid pterosaur. The preservation of mineralised tendons and the in situ preservation of the carpus allow the reconstruction of some distal arm muscles and the discussion of the orientation of the pteroid bone.
Key words: Northeast Mexico, Cretaceous, Coniacian, Pterosauria, Nyctosauridae, taxonomy, constructional morphology.
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