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1 Musée des dinosaures, 11260 Espéraza. huasteph{at}aol.com, huasteph{at}aol.com
2 CNRS (UMR 8538), 16 cour du Liégat, 75013 Paris. eric.buffetaut{at}wanadoo.fr
3 21 rue Nicolas Poussin, 27180 Saint Sébastien de Morsant. patrick.rogron{at}wanadoo.fr
A partial crocodilian skeleton, including a well-preserved skull and mandible, from the marine Lower Cenomanian of Normandy (northwestern France) is described as a new genus and species of the family Pholidosauridae (Mesosuchia), Oceanosuchus boecensis. Diagnosis for genus and species: Mesorostrine pholidosaurid (rostral index 66% as compared with 74% for Terminonaris robusta and 75% for Sarcosuchus imperator, hitherto the least longirostrine species in that family), relatively short mandibular symphysis (11 post-symphysial alveoli), no external mandibular fenestra, prearticular present, paired tuberosities at the base of the cervical vertebral centra.
Key Words: Oceanosuchus boecensis Pholidosauridae Mesosuchia Lower Cenomanian Marine crocodilian Normandy
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