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 Temporal range: Olenekian–Norian PreꞒ Ꞓ O S D C P T J K Pg N
life restoration of Hyperodapedon
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Archosauromorpha
Order:	†Rhynchosauria Osborn, 1903
Subgroups
See text.

They became extinct at the End-Triassic extinction event.