Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
   Archosauromorpha xxxHuene 1946 [Gauthier, Kluge & Rowe 1988] see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
     1 †Rhynchosauria Osborn 1903 [Dilkes 1998] see Order Rhynchosauria Osborn, 1903
     2.1 †Prolacertiformes see Order Prolacertiformes Camp, 1945
     2.2 Archosauria Cope, 1869