[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
           1 Genus †Leidyosuchus Lambe, 1907
           2.1.1 †Diplocynodon ratelii Pomel, 1847, sedis mutabilis
           2.1.2 †Diplocynodon hantoniensis (Wood, 1846), sedis mutabilis
           2.1.3 †Diplocynodon darwini (Ludwig, 1877), sedis mutabilis
           2.1.4 Genus †Baryphracta Frey, Laemmert & Riess, 1987, sedis mutabilis
           2.2.1 Genus †Brachychampsa Gilmore, 1911, sedis mutabilis
           2.2.2 Genus †Stangerochampsa Wu, Brinkman & Russell, 1996, sedis mutabilis
           2.2.3 Genus †Albertochampsa Erickson, 1972, sedis mutabilis
           2.2.4.1.1 Genus Alligator Cuvier, 1817
           2.2.4.1.2 Genus †Wannaganosuchus Erickson, 1982
           2.2.4.2.1 †Allognathosuchus wartheni Case, 1925, sedis mutabilis
           2.2.4.2.2 †Allognathosuchus polyodon (Cope, 1873), sedis mutabilis
           2.2.4.2.3.1 †Procaimanoidea kayi (Mook, 1941), sedis mutabilis
           2.2.4.2.3.2 †Procaimanoidea utahensis Gilmore, 1946, sedis mutabilis
           2.2.4.2.3.3 Genus †Arambourgia Kälin, 1939, nom. illeg., sedis mutabilis
           2.2.5 Genus †Ceratosuchus Schmidt, 1938, sedis mutabilis
           2.2.6 Genus †Hassiacosuchus Weitzel, 1935, sedis mutabilis
           2.2.7 Genus †Navajosuchus Mook, 1942, sedis mutabilis
           2.2.8.1 Genus †Eocaiman Simpson, 1933
           2.2.8.2.1 Genus †Necrosuchus Simpson, 1937, sedis mutabilis
           2.2.8.2.2 Genus †Tsoabichi Brochu, 2010, sedis mutabilis
           2.2.8.2.3 Genus Paleosuchus Gray, 1862, sedis mutabilis
           2.2.8.2.4 Genus †Orthogenysuchus Mook, 1924, sedis mutabilis
           2.2.8.2.5 Genus †Mourasuchus Price, 1964, sedis mutabilis
           2.2.8.2.6 Genus †Purussaurus Rodrigues, 1892, sedis mutabilis
           2.2.8.2.7.1.1 Caiman yacare (Daudin, 1802) - Panama caiman
           2.2.8.2.7.1.2 Caiman crocodilus (Linnaeus, 1758) - common caiman
           2.2.8.2.7.2.1 Caiman latirostris (Daudin, 1802), sedis mutabilis - broad-nosed caiman
           2.2.8.2.7.2.2 †Caiman lutescens (Rovereto, 1912), sedis mutabilis
           2.2.8.2.7.2.3 Genus Melanosuchus Gray, 1862, sedis mutabilis