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] Neosuchia Benton & Clark 1988 [Sereno, Larsson, Sidor & Gado 2001] Family †Atoposauridae Gervais, 1871 1 Genus †Theriosuchus Owen, 1879