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 see Family Cetiosauridae Lydekker, 1888
                   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, 1893 - titanosaurids
                   08 Family †Diplodocidae Marsh, 1884
                   09 Family †Euhelopodidae Romer, 1956
                   10 Family †Dicraeosauridae Janensch, 1929