Mariliasuchus robustus, um Novo Crocodylomorpha (Mesoeucrocodylia) da Bacia Bauru, Brasil.

• Main Authors: Pedro Henrique Nobre, Ismar de Souza Carvalho, Felipe Mesquita de Vasconcellos, Willian Roberto Nava
• Format: Article
• Language: English
• Published: Universidade Federal do Rio de Janeiro 2007-07-01
• Series: Anuário do Instituto de Geociências
• Subjects: Mesoeucrocodylia; Notosuchids; Mariliasuchus robustus; Cretaceous; Bauru Basin.
• Online Access: http://www.anuario.igeo.ufrj.br/anuario_2007_1/2007_1_38_49.pdf

Herein is described a new species of a Crocodylomorpha Mesoeucrcodylia belonging to the genus Mariliasuchusfrom the Adamantina Formation (Upper Cretaceous, Turonian-Santonian), Bauru Basin, Brazil. The diagnostic features ofthe new species of Mariliasuchus are related to increased stoutness of the skull, wich is high, short and posteriorlly wide;the posterior region of the skull is almost as high as wide. The rostrum is straight, high, and rectangular in cross-section,with a convex dorsal surface, bearing no signs of a antorbital fenestrae. The orbits are large and laterally positioned in the skull. The external nares are forward oriented. The dentition presents pointed anterior teeth (incisiform), a hypertrophied caniniform and a low and globular post-caniniform teeth. The mandible is robust and display a strong vertical bending in its anterior and posterior ends.