Class Reptilia Linnaeus, 1758 - reptiles
   Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
     Order †Saurischia Seeley, 1887 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
       Suborder †Sauropoda Marsh, 1878 see Clade Sauropoda Marsh 1878 [Salgado et al. 1997]
         01 Family †Anchisauridae Marsh, 1885
         02 Family †Plateosauridae Marsh, 1895
         03 Family †Plateosauravidae Huene, 1929 see Family Plateosauridae Marsh, 1895
         04 Family †Melanorosauridae von Huene, 1929
         05 Family †Cetiosauridae Lydekker, 1888
         06 Family †Euhelopodidae Romer, 1956
         07 Family †Brachiosauridae Riggs, 1904
         08 Family †Camarasauridae Cope, 1877
         09 Family †Titanosauridae Lydekker, 1893 - titanosaurids
         10 Family †Atlantosauridae Marsh, 1877 see Family Diplodocidae Marsh, 1884
         11 Family †Amphicoeliidae Cope, 1877 see Family Diplodocidae Marsh, 1884
         12 Family †Dicraeosauridae Janensch, 1929