Classification of Hay 1923

G. †Carolinochelys Hay 1923
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G. †Cornwallius Hay 1923
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†Cornwallius sookensis Cornwall 1922
G. Testudo Linnaeus 1758
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†Testudo annae Hay 1923
†Testudo francisi Hay 1923
G. †Anancus Aymard 1855
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†Anancus brazosius Hay 1923
Or. Sirenia Illiger 1811 [sirenian]
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Invalid names: Desmostyliformes Hay 1923 [empty], Trichechiformes Hay 1923 [empty]