Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval. see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
   †Sauropoda Marsh 1878 [Salgado et al. 1997]
     †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
       †Macronaria Wilson & Sereno 1998
         1 Genus †Camarasaurus Cope, 1877
         2.1 Genus †Australodocus Remes, 2007
         2.2 Genus †Brachiosaurus Riggs, 1903