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Fossil collection records
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Classification of Colbert 1949
G. †
Alzadasaurus
Welles 1943
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Alzadasaurus tropicus
Colbert 1949
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Cimoliasaurus
Leidy 1851
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Cimoliasaurus andium
Deecke 1895
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Pliosaurus
Owen 1841
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Pliosaurus chilensis
Gay 1848