[Archosauria] Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. see Clade Archosauria Cope 1869 [Gauthier & Padian 2020]
   1 Genus †Euparkeria Broom, 1914
   2.1 Crurotarsi Sereno & Arcucci 1990
   2.2.1 Genus †Marasuchus Sereno & Arcucci, 1994 see Genus Lagosuchus Romer, 1971
   2.2.2.1 Genus †Silesaurus Dzik, 2003
   2.2.2.2 Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]