[Neosuchia] Benton & Clark 1988 [Sereno, Larsson, Sidor & Gado 2001] Eusuchia Huxley 1875 {Brochu 2003} Crocodylia Gmelin 1789 [Clark 1988] see Order Crocodylia Wagler, 1830 Brevirostres von Zittel 1890 [Brochu 2003] Alligatoroidea Gray 1844 {Brochu 2003} see Superfamily Alligatoroidea Cuvier, 1807 †Allognathosuchus polyodon (Cope, 1873), sedis mutabilis