Proterosuchus was a Chasmatosaur from the Early Triassic. It liked to eat Lystrosaurus and Euparkeria. Chasmatosaurus was a synonym for this animal, and it was related to Crocodiles.
In popular culture
Proterosuchus, (identified as a Chasmatosaur) appeared in the last episode of Walking with Monsters.
Proterosuchus also appeared in Animal Armageddon where it was inaccurately despicted living in the Permian period.