Rhynchosaur

Rhynchosaurs were a group of Triassic diapsid reptiles related to the archosaurs. They were herbivores, and at times abundant (in some fossil localities accounting for 40 to 60% of specimens found), with stocky bodies and a powerful beak.

Rhynchosaurs
Hyperodapedon BW2.jpg
life restoration of Hyperodapedon
Scientific classification e
Unrecognized taxon (fix): Reptilia
Clade: Archosauromorpha
Order: Rhynchosauria
Osborn, 1903
Subgroups

See text.

They became extinct at the End-Triassic extinction event.