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.[1][2]
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.
Family Geoemydidae | ||||
|---|---|---|---|---|
| ||||
| Genera |
|  | ||
| †Banhxeochelys | ||||
| Batagur | ||||
| Cuora | ||||
| Cyclemys | ||||
| †Echmatemys | ||||
| Geoclemys | ||||
| Geoemyda | ||||
| Hardella | ||||
| Heosemys | ||||
| Leucocephalon | ||||
| Malayemys | ||||
| Mauremys | ||||
| Melanochelys | ||||
| Morenia | ||||
| Notochelys | ||||
| Orlitia | ||||
| Pangshura | ||||
| Rhinoclemmys | ||||
| Sacalia | ||||
| Siebenrockiella | ||||
| Vijayachelys | ||||
Phylogenetic arrangement of turtles based on turtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status. †=Extinct. | ||||