Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Class Reptilia Linnaeus, 1758 - 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 †Saurischia Seeley, 1887 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
               Suborder †Sauropodomorpha Huene, 1932 see Order Sauropodomorpha Huene, 1932
                 Infraorder †Prosauropoda Huene, 1920 see Suborder Prosauropoda Huene, 1920
                   1 Genus †Thecodontosaurus Riley & Stutchbury, 1836
                   2 Family †Anchisauridae Marsh, 1885
                   3 Family †Plateosauridae Marsh, 1895
                   4 Family †Blikanasauridae Galton & van Heerden, 1985
                   5 Family †Melanorosauridae von Huene, 1929
                   6 Family †Yunnanosauridae Young, 1942