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
               Suborder †Sauropoda Marsh, 1878 see Clade Sauropoda Marsh 1878 [Salgado et al. 1997]
                 Family †Brachiosauridae Riggs, 1904
                   01 Genus †Astrodon Johnston, 1859, nom. dub.
                   02 Genus †Bothriospondylus Owen, 1875
                   03 Genus †Brachiosaurus Riggs, 1903
                   04 Genus †Damalasaurus Zhao, 1983, nom. nud.
                   05 ?Genus †Dinodocus Owen, 1884, nom. dub.
                   06 Genus †Dystylosaurus Jensen, 1985 see Genus Supersaurus Jensen, 1985
                   07 Genus †Giraffatitan Paul, 1988
                   08 Genus †Lapparentosaurus Bonaparte, 1986
                   09 Genus †Pelorosaurus Mantell, 1850
                   10 Genus †Pleurocoelus Marsh, 1888, nom. dub.
                   11 Genus †Ultrasauros Olshevsky, 1991 see Genus Supersaurus Jensen, 1985
                   12 ?Genus †Ultrasaurus Kim, 1983, nom. dub.
                   13 Genus †Volkheimeria Bonaparte, 1979