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] †Ornithosuchidae Huene 1907-1908 [Sereno 1991] see Family Ornithosuchidae Huene, 1908 Genus †Riojasuchus Bonaparte, 1969 1 †Riojasuchus tenuisceps Bonaparte, 1969