Theretairus Temporal range: Late Jurassic |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Superorder: | Lepidosauria |
Order: | Sphenodontia |
Genus: | Theretairus |
Theretairus is a Late Jurassic genus of sphenodont reptile from the Morrison Formation of western North America, present in stratigraphic zones 5 and 6.