Opisthodontia (reptile)

Opisthodonts Temporal range: Late Triassic–Late Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
Priosphenodon, a large eilenodontine opisthodont
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Rhynchocephalia
Suborder:	Sphenodontia
Clade:	†Opisthodontia Apesteguia & Novas, 2003
Genera
Fraserosphenodon Kawasphenodon? Opisthias Alamitosphenos Trullidens Eilenodontinae Eilenodon Kaikaifilusaurus Patagosphenos Priosphenodon Sphenotitan? Toxolophosaurus

Opisthodontia is a proposed clade of sphenodontian reptiles, uniting Opisthias from the Late Jurassic-earliest Cretaceous of Europe and North America with the Eilenodontinae, a group of herbivorous sphenodontians known from the Late Triassic to Late Cretaceous.