Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
     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 †Sauropoda Marsh, 1878 see Clade Sauropoda Marsh 1878 [Salgado et al. 1997]
                   01 Family †Vulcanodontidae Cooper, 1984
                   02 Family †Cetiosauridae Lydekker, 1888
                   03 Family †Barapasauridae Halstead & Halstead, 1981
                   04 Family †Brachiosauridae Riggs, 1904
                   05 Family †Chubutisauridae del Corro, 1975 see Family Brachiosauridae Riggs, 1904
                   06 Family †Camarasauridae Cope, 1877
                   07 Family †Titanosauridae Lydekker, 1885 - titanosaurids
                   08 Family †Diplodocidae Marsh, 1884
                   09 Family †Euhelopodidae Romer, 1956
                   10 Family †Dicraeosauridae Janensch, 1929