Crocodylomorpha Walker 1968 [Clark 1988] see Subclass Crocodylomorpha Hay, 1930 Crocodyliformes Clark 1988 [Sereno, Larsson, Sidor & Gado 2001] Genus †Hsisosuchus Young & Chow, 1953 †Hsisosuchus chungkingensis Young & Chow, 1953