Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. see Clade Archosauria Cope 1869 [Gauthier & Padian 2020] Crurotarsi Sereno & Arcucci 1990 see Clade Pseudosuchia Zittel 1887-1890 [Gauthier & Padian 1985] Crocodylomorpha Walker 1968 [Clark 1988] see Subclass Crocodylomorpha Hay, 1930