Classification of Pérez-García et al. 2008
Fm. †Plesiochelyidae Rütimeyer 1873
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Unr. †Cryptodiramorpha Lee 1995
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Unr. †Paracryptodira Gaffney 1975
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Unr. Cryptodira Cope 1868
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G. Chelydra Schweigger 1812 [Snapping turtle]
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Chelydra serpentina Linnaeus 1758 [Common snapping turtle]