Opisthias
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Opisthias Temporal range: Late Jurassic |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | Lepidosauria |
| Order: | Sphenodontia |
| (unranked): | Opisthodontia † |
| Genus: | Opisthias † |
| Species | |
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Opisthias is a Late Jurassic genus of sphenodont reptile from the Morrison Formation of western North America, present in stratigraphic zones 2 and 4-6.
Opisthias was from the United States (Colorado, Utah, and Wyoming).
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