New Peirosaurid from Cerro Lisandro Formation, Neuquén Group, Patagonia Argentina
Publicado por Leonardo Filippi en 6:36
Francisco Barrios,
Ariana Paulina-Carabajal y Paula Bona
Peirosaurids
are a group of Cretaceous continental crocodyliforms from Gondwana. Two species
are known from the Neuquén Group in Argentina: Lomasuchus palpebrosus (Portezuelo Formation, late Turonian–early
Coniacian) and Gasparinisuchus
peirosauroides (Bajo de la Carpa and Anacleto formations, Santonian and
early Campanian, respectively). Here, we describe the first peirosaurid from
the Cerro Lisandro Formation, Bayomesasuchus
hernandezi gen. et sp. nov. The material corresponds to a fragmentary skull
and mandible. Although fragmentary, this is the most complete crocodyliform
specimen recorded for the Cerro Lisandro Formation. In a phylogenetic analysis Bayomesasuchus is depicted in a polytomy
together with South American peirosaurids and the African form Hamadasuchus rebouli.
Barrios,
F. Paulina-Carabajal, A, y Bona Paula. 2016. A new Peirosaurid
(Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Patagonia,
Argentina. Ameghiniana 53 (1):14-25.
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