| Echmatemys Temporal range: Eocene,
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| Shell of Echmatemys stevensoniana (AMNH 6084) in the American Museum of Natural History | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Family: | Geoemydidae |
| Genus: | †Echmatemys Hay, 1906 |
| Species | |
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Echmatemys is an extinct genus of geoemydid turtle from the Eocene of North America. It is the oldest North American geoemydids, and is one of the most common early Eocene turtles.12
References
References
- Lourenço, J. O. M.; Claude, J.; Galtier, N.; Chiari, Y. (2012). "Dating cryptodiran nodes: Origin and diversification of the turtle superfamily Testudinoidea". Molecular Phylogenetics and Evolution. 62 (1): 496–507. doi:10.1016/j.ympev.2011.10.022. PMID 22100825.
- Parmley, D.; Howard Hutchison, J.; Parham, J. F. (2006). "Diverse Turtle Fauna from the Late Eocene of Georgia Including the Oldest Records of Aquatic Testudinoids in Southeastern North America". Journal of Herpetology. 40 (3): 343. doi:10.1670/0022-1511(2006)40[343:DTFFTL]2.0.CO;2. S2CID 86364121.