Crocodylomorpha Walker 1968 [Clark 1988] see Subclass Crocodylomorpha Hay, 1930
   Crocodyliformes Clark 1988 [Sereno, Larsson, Sidor & Gado 2001]
     †Protosuchia Mook 1934 [Sereno, Larsson, Sidor & Gado 2001] see Order Protosuchia Brown, 1934