Infraphylum Tetrapoda Goodrich, 1930 see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
   Superclass Amniota Haeckel, 1866 see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
     Paraclass Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
       Parasubclass Diapsida Osborn, 1903 [paraphyletic] - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
         Parainfraclass Archosauria Cope, 1869 [paraphyletic] see Clade Archosauria Cope 1869 [Gauthier & Padian 2020]
           Superorder †Sauropodomorpha Huene, 1932 see Order Sauropodomorpha Huene, 1932
             Order †Brontosauria Olshevsky, 1991
               Parasuborder †Prosauropoda Huene, 1920
                 Family †Thecodontosauridae Lydekker, 1890
                   Genus †Agrosaurus Seeley, 1891, nom. dub.