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| Chelydrids | |
|---|---|
| |
| The common snapping turtle (Chelydra serpentina) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Clade: | Americhelydia |
| Family: | Chelydridae Gray, 1831[2] |
| Genera | |
| Synonyms[3] | |
The Chelydridae is a family of turtles that has seven extinct and two extant genera. The extant genera are the snapping turtles, Chelydra and Macrochelys. Both are endemic to the Western Hemisphere. The extinct genera are Acherontemys, Chelydrops, Chelydropsis, Emarginachelys, Macrocephalochelys, Planiplastron, and Protochelydra.
- ^ Emarginachelys cretacea, Paleobiology Database
- ^ a b Gray, John Edward. (1831). Synopsis Reptilium; or Short Descriptions of the Species of Reptiles. Part I.—Cataphracta. Tortoises, Crocodiles, and Enaliosaurians. London: Treuttel, Wurz, and Co., 85 pp. [Published May 1831].
- ^ Turtle Taxonomy Working Group [van Dijk, P.P., Iverson, J.B., Shaffer, H.B., Bour, R., and Rhodin, A.G.J.]. (2012). Turtles of the World, 2012 update: annotated checklist of taxonomy, synonymy, distribution, and conservation status. Chelonian Research Monographs No. 5, pp. 000.243–000.328, doi:10.3854/crm.5.000.checklist.v5.2012, "Archived copy" (PDF). Archived from the original (PDF) on 2013-06-16. Retrieved 2014-04-19.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ Swainson, William. (1839). On the natural history and classification of fishes, amphibians, and reptiles. Vol. II. In: Lardner, D. (Ed.). The Cabinet Cyclopaedia. Natural History. London: Longman, 452 pp.
- ^ Gray, John Edward. (1869). Notes on the families and genera of tortoises (Testudinata), and on the characters afforded by the study of their skulls. Proceedings of the Zoological Society of London 1869:165–225.
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