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Fossil collection records
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Classification of Carpenter 1997
Fm. †
Elasmosauridae
Cope 1869 [elasmosaur]
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G. †
Libonectes
Carpenter 1997 [southwest diver]
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†
Libonectes morgani
Welles 1949
Fm. †
Polycotylidae
Williston 1908
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G. †
Dolichorhynchops
Williston 1902
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†
Dolichorhynchops osborni
Williston 1902