Classification of Norell et al. 1994

Superfm. †Alligatoroidea Gray 1844
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Invalid names: Bottosaurus perrugosus Cope 1874 [nomen dubium]
Unr. Crocodylia Owen 1842 [crocodilian]
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Unr. †Alligatoroidea Gray 1844
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G. †Brachychampsa Gilmore 1911
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†Brachychampsa montana Gilmore 1911