Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
   Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
     Eureptilia Olson, 1947
       Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
         Neodiapsida Benton 1985
           Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. see Clade Archosauromorpha von Huene 1946 [Gauthier 2020]
             1 †"Protorosauria" see [unranked] Prolacertiformes
             2.1 Genus †Trilophosaurus Case, 1928
             2.2.1 †Rhynchosauria Osborn 1903 [Dilkes 1998] see Order Rhynchosauria Osborn, 1903
             2.2.2.1 Genus †Prolacerta Parrington, 1935
             2.2.2.2 Archosauria Cope, 1869