Classification of Cope 1872
Fm. Trionychidae Gray 1825 [softshell turtle]
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G. Trionyx Geoffroy Saint-Hilaire 1809
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†Trionyx concentricus Cope 1872
†Trionyx thomasii Cope 1872
Or. Lacertilia Owen 1842 [lizard]
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G. †Palaeotheca Cope 1872
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†Palaeotheca polycypha Cope 1872
†Palaeotheca terrestris Cope 1872
G. †Anostira Leidy 1871
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†Anostira molopina Cope 1872
†Anostira oedemia Cope 1872
†Anostira trionychoides Cope 1872