Parasaniwa
| Parasaniwa Temporal range: Late Cretaceous,
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|---|---|
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Anguimorpha |
| Family: | †Palaeovaranidae |
| Genus: | †Parasaniwa Gilmore, 1928 |
| Type species | |
| †Parasaniwa wyomingensis Gilmore, 1928
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| Synonyms | |
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Parasaniwa is an extinct genus of necrosaurid lizard from the Late Cretaceous of the western United States.[1]
Description
[edit | edit source]It was named in 1928 by Charles W. Gilmore for jaw and skull bones found in the Lance Formation and Hell Creek Formation of Wyoming and Montana. Gilmore also named the species P. obtusa in 1928, but it is now considered a junior synonym, separated by features caused by erosion. Additional specimens were referred to Parasaniwa from the Lower Eocene Bridger Formation, but additional material from the Wasatch Formation instead suggests that this belongs to a separate genus Parasaniwa is considered closely related to Necrosaurus as a member of Necrosauridae, though it has at times been kept in a separate family Parasaniwidae.[1]
References
[edit | edit source]
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