Classification of Myrick 2001

Fm. Crocodylidae Cuvier 1807 [crocodile]
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Subfm. †Thoracosaurinae Cope 1871
Fm. †Thoracosauridae Cope 1871
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G. †Thecachampsa Cope 1867
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Thecachampsa antiqua Leidy 1852
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Invalid names: Thecachampsa contusor Cope 1867 [synonym], Thecachampsa sericodon Cope 1867 [synonym], Thecachampsa sicaria Cope 1869 [synonym], Tomistoma americana Sellards 1915 [synonym], Tomistoma lusitanica Antunes 1961 [synonym]