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Fossil collection records
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Classification of Hay 1899
Fm.
Chelydridae
Swainson 1839
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G. †
Acherontemys
Hay 1899
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†
Acherontemys heckmani
Hay 1899
G. †
Hadrianus
Cope 1872
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†
Hadrianus octonarius
Cope 1871
†
Hadrianus schucherti
Hay 1899