Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Goodrich, 1930
         Amniota Haeckel, 1866 - amniotes
           Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
             Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Laurin 1991]
               Infraclass Archosauromorpha Huene, 1946 see Clade Archosauromorpha Huene 1946 [Gauthier, Kluge & Rowe 1988] {Laurin 1991}
                 Superorder Archosauria Cope, 1869 - archosaurs see Clade Archosauria Cope 1869 [Gauthier & Padian 1985]
                   Order †Thecodontia Owen, 1859 see Division Archosauria Cope, 1869
                     1 Suborder †Proterosuchia Broom, 1906 see Order Proterosuchia Broom, 1906
                     2 Suborder †Ornithosuchia (Huene, 1908)
                     3 Suborder †Rauisuchia Bonaparte, 1982 - rauisuchians see [unranked] Rauisuchia Bonaparte, 1982
                     4 Suborder †Aetosauria Nicholson & Lydekker, 1889 [monotypic] see Order Aetosauria Nicholson & Lydekker, 1889
                     5 Family †Erpetosuchidae Watson, 1917
                     6 Family †Ctenosauriscidae (Kuhn, 1964)
                     7 Family †Gracilisuchidae Butler et al., 2014
                     8 Family †Scleromochlidae Huene, 1914
                     9 Suborder †Phytosauria Jaeger, 1828 [monotypic] see Order Phytosauria Jaeger, 1828