[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} ?Genus †Aigialosuchus Persson, 1959