[Crurotarsi] Sereno & Arcucci 1990
   Crocodylomorpha Walker 1968 [Clark 1988] see Subclass Crocodylomorpha Hay, 1930
     Crocodyliformes Clark 1988 [Sereno, Larsson, Sidor & Gado 2001]
       Mesoeucrocodylia Whetstone & Whybrow 1983 [Sereno, Larsson, Sidor & Gado 2001]
         Eusuchia Huxley 1875 {Brochu 2003}
           [crown] Crocodylia Gmelin 1789 [Clark 1988] see Order Crocodylia Wagler, 1830
             [crown] Brevirostres von Zittel 1890 [Brochu 2003]
               Alligatoroidea Gray 1844 {Brochu 2003} see Superfamily Alligatoroidea Cuvier, 1807
                 Globidonta Brochu 1999 [Brochu 1999]
                   [crown] Alligatoridae Cuvier 1807 {Brochu 2003} see Family Alligatoridae Cuvier, 1807
                     Alligatorinae Kälin 1940 {Brochu 2003} see Subfamily Alligatorinae Cuvier, 1807
                       1 †European "Allognathosuchus" Mook, 1921
                       2 Genus †Ceratosuchus Schmidt, 1938
                       3 †Navajosuchus mooki (Simpson, 1930)
                       4.1.1 †Chrysochampsa mlynarskii Estes, 1988
                       4.1.2 Willwood alligatorid
                       4.1.3 †Allognathosuchus polyodon (Cope, 1873)
                       4.1.4.1 Genus †Procaimanoidea Gilmore, 1946
                       4.1.4.2 †Arambourgia gaudryi (de Stefano, 1905)
                       4.1.4.3 †Hispanochampsa mulleri see Hispanochampsa mülleri Kälin, 1936
                       4.2.1 Genus Alligator Cuvier, 1817
                       4.2.2 †Wannaganosuchus brachymanus Erickson, 1982