[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]
               1 Alligatoroidea Gray 1844 {Brochu 2003} see Superfamily Alligatoroidea Cuvier, 1807
               2 Crocodyloidea Fitzinger 1826 {Brochu 2003} see Superfamily Crocodyloidea Cuvier, 1807