This structural innovation would lay the groundwork for the evolution of a more complex jaw

a proboscis that

Gastonia no tenía una maza en la cola

Algeria and Tunisia

Simosuchus clarki Parasaurolophus This structural innovation would laySimosuchus clarki is a notosuchian crocodyliform from the Late Cretaceous of Madagascar, whose unique osteological morphology radically distinguishes it from other representatives of its group. It was formally described by Buckley et al. in 2000 from a holotype specimen (UA 8679), which included a nearly complete skull and associated postcranial skeleton, remarkable for its exceptional three dimensional preservation. This small reptile, approximately