[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
           Genus †Musturzabalsuchus Buscalioni, Ortega & Vasse, 1997
           1 Genus †Leidyosuchus Lambe, 1907
           2 Genus †Deinosuchus Holland, 1909
           3.1 Genus †[Diplocynodon] Pomel, 1847
           3.2 Genus †[Baryphracta] Frey, Laemmert & Riess, 1987
           4.1 Genus †Acynodon Buscalioni, Ortega & Vasse, 1997
           4.2.1 Genus †Albertochampsa Erickson, 1972
           4.2.2 Genus †Brachychampsa Gilmore, 1911
           4.2.3 Genus †Stangerochampsa Wu, Brinkman & Russell, 1996
           4.2.4.1.1 Genus †[Navajosuchus] Mook, 1942
           4.2.4.1.2 Genus †[Hassiacosuchus] Weitzel, 1935
           4.2.4.2.1 Genus [Alligator] Cuvier, 1817
           4.2.4.2.2.1 Genus [Paleosuchus] Gray, 1862
           4.2.4.2.2.2 Genus [Caiman] Spix, 1825
           4.2.4.2.2.2.n Genus [Melanosuchus] Gray, 1862