Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
   †Prosauropoda Huene 1920 [Sereno 1998] see Suborder Prosauropoda Huene, 1920
     †Sauropoda Marsh 1878 [Salgado et al. 1997]
       †Eusauropoda Upchurch 1995
         †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
           †Macronaria Wilson & Sereno 1998
             †Titanosauriformes Salgado, Coria & Calvo 1997
               †Brachiosauridae Riggs 1904 see Family Brachiosauridae Riggs, 1904
                 1 Genus †Paluxysaurus Rose, 2007
                 2.1 Genus †Brachiosaurus Riggs, 1903
                 2.2 Genus †Giraffatitan Paul, 1988
                 3.1 Genus †Venenosaurus Tidwell, Carpenter & Meyer, 2001, sedis mutabilis
                 3.2 Genus †Cedarosaurus Tidwell, Carpenter & Brooks, 1999, sedis mutabilis