Macrochelys

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Macrochelys
File:Alligator snapping turtle.jpg
Alligator snapping turtle
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Family: Chelydridae
Genus: Macrochelys
Gray, 1856[1]

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Macrochelys is a genus in the family Chelydridae. It consists of three extant species: Macrochelys temminckii, Macrochelys suwanniensis, and Macrochelys apalachicolae[2][3] and the extinct M. schmidti and M. auffenbergi (described from the early middle Miocene of Nebraska and the middle Pliocene of Florida, respectively). The genus was considered monospecific until a 2014 study by Travis Thomas divided it into three separate species.[4]

Fossil history

Unlike the family Chelydridae as a whole, the genus Macrochelys is exclusively North American. Hutchison (2008) considered genus Chelydrops to be a junior synonym of Macrochelys, and recombined its type species, Chelydrops stricta from the Miocene (early Barstovian) of Nebraska, as the (then) fourth species of Macrochelys.[5]

References

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  2. Thomas, T, Granatosky, M, Bourque, J, Krysko, K, Moler, P, Gamble, T, Suarez, Leone, E, Enge, K, & Roman, J, 2014. Taxonomic assessment of Alligator Snapping Turtles (Chelydridae: Macrochelys), with the description of two new species from the southeastern United States. Zootaxa 3786 (2): 141–165
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