Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
           Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
             Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
               Infraclass Archosauromorpha Huene, 1946 see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
                 Superorder Archosauria Cope, 1869 - archosaurs see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
                   Order †Thecodontia Owen, 1859 see Division Archosauria Cope, 1869
                     Suborder †Proterosuchia Broom, 1906 see Order Proterosuchia Broom, 1906
                       Family †Erythrosuchidae Watson, 1917
                         1 ?Genus †Arizonasaurus Welles, 1947
                         2 Genus †Erythrosuchus Broom, 1905
                         3 ?Genus †Cuyosuchus Reig, 1961
                         4 Genus †Fugusuchus Cheng, 1980
                         5 Genus †Garjainia Ochev, 1958
                         6 ?Genus †Kalisuchus Thulborn, 1979
                         7 Genus †Shansisuchus Young, 1964
                         8 Genus †Vjushkovia von Huene, 1960