Naomichelys
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| Naomichelys Temporal range: Early Cretaceous | |
|---|---|
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| Fossil carapace of N. speciosa, Field Museum of Natural History | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Pantestudines |
| Clade: | Testudinata |
| Family: | †Helochelydridae |
| Genus: | †Naomichelys Hay, 1908 |
| Type species | |
| Naomichelys speciosa Hay, 1908 | |
Naomichelys is an extinct genus of helochelydrid stem turtle known from the Cretaceous (Aptian-Campanian) of North America. It is the only member of the family known to be native to North America.
Naomichelys is known numerous remains from western North America, most notably the holotype partial shell from the Cloverly Formation of Montana and a complete skeleton from the Antlers Formation of Texas. Indeterminate remains are known extending up to the Campanian in the United States and Canada.[1] It is the only known North American member of Helochelydridae.[2][3]
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