Classification of Gasparini et al. 2003

Superfm. †Plesiosauroidea Welles 1943
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Fm. †Elasmosauridae Cope 1869 [elasmosaur]
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G. †Aristonectes Cabrera 1941
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Aristonectes parvidens Cabrera 1941
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Invalid names: Turneria seymouriensis Chatterjee and Creisler 1994 [synonym]
Invalid names: Morturneria Chatterjee and Creisler 1994 [synonym], Turneria Chatterjee and Small 1989 [synonym]