|Named By:||Peter Wellnhofer in 1987|
|Time Period:||Aptian-Albian, 112 Ma|
|Location:||Brazil - Santana Formation|
|Size:||Largest known individual based upon specimen MN 6594-1 is estimated to have had a wingspan 8.2 meters across|
|Fossil(s):||Remains of at least three individuals, together revealing the skull and parts of the post cranial skeleton|
|Classification:||| Chordata | Reptilia | Pterosauria | Ornithocheiridae ||
|Also known as:||| Coloborhynchus mesembrinus | Criorhynchus mesembrinus | Ornithocheirus mesembrinus ||
Tropeognathus is a genus of large pterosaurs from the late Cretaceous Period of South America. It was a member of the Ornithocheiridae (alternately Anhangueridae), a group of pterosaurs known for their keel-tipped snouts, and was closely related to species of the genus Anhanguera. The type and only species is Tropeognathus mesembrinus; a second species, Tropeognathus robustus, is now considered to belong to Anhanguera.