Kingdom Animalia Class Reptilia Order Sphenodontia | Phylum Chordata Rank Genus | |
Similar Ankylosphenodon, Sapheosaurus, Kallimodon, Palaeopleurosaurus, Diphydontosaurus | ||
Theretairus is a Late Jurassic genus of sphenodont reptile from the Morrison Formation of western North America, present in stratigraphic zones 5 and 6.
References
Theretairus Wikipedia(Text) CC BY-SA