Classification of Leidy 1865

G. †Thoracosaurus Leidy 1852
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†Thoracosaurus macrorhynchus de Blainville 1855
Or. Sauria MacCartney 1802
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G. †Astrodon Johnston 1859
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†Astrodon johnstoni Leidy 1865
G. †Coelosaurus Leidy 1865
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†Coelosaurus antiquus Leidy 1865
G. †Hadrosaurus Leidy 1858
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†Hadrosaurus foulkii Leidy 1858
G. †Tomodon Leidy 1865
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†Tomodon horrificus Leidy 1865
Unr. Chelonia Latreille 1800 [turtle]
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G. †Bothremys Leidy 1865
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†Bothremys cooki Leidy 1865
†Bothremys cookii Leidy 1865
G. Chelone Linnaeus 1758
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†Chelone grandaeva Leidy 1861
†Chelone sopita Leidy 1865
G. Emys Dumeril 1806 [pond turtle]
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†Emys beatus Leidy 1865
†Emys firmus Leidy 1856
G. Platemys Wagner 1830
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†Platemys sulcatus Leidy 1856
G. Trionyx Geoffroy Saint-Hilaire 1809
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†Trionyx priscus Cope 1869