Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. see Clade Archosauromorpha von Huene 1946 [Gauthier 2020] Archosauriformes Gauthier 1994, nom. cl. inval. see Clade Archosauriformes Gauthier 1994 [Gauthier 2020] Crurotarsi Sereno & Arcucci 1990 Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. see Clade Archosauria Cope 1869 [Gauthier & Padian 2020] Pseudosuchia Zittel 1887-1890 [Gauthier & Padian 1985] Suchia Krebs 1974 [Sereno 1991] Paracrocodylomorpha Parrish 1993 †Poposauroidea Nopcsa 1923 [Weinbaum & Hungerbühler 2007] see Superfamily Poposauroidea Nopcsa, 1923 Genus †Poposaurus Mehl, 1915 1 †Poposaurus gracilis Mehl, 1915