 †[Eusauropoda] Upchurch 1995
 †[Eusauropoda] Upchurch 1995
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
 †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     †Macronaria Wilson & Sereno 1998
 †Macronaria Wilson & Sereno 1998
       †Titanosauriformes Salgado, Coria & Calvo 1997
 †Titanosauriformes Salgado, Coria & Calvo 1997
         †Brachiosauridae Riggs 1904
 see Family Brachiosauridae Riggs, 1904
 †Brachiosauridae Riggs 1904
 see Family Brachiosauridae Riggs, 1904
           1 Genus †Europasaurus Sander et al., 2006
 1 Genus †Europasaurus Sander et al., 2006
           2.1 Genus †Sonorasaurus Ratkevich, 1998, incertae sedis [monotypic]
 2.1 Genus †Sonorasaurus Ratkevich, 1998, incertae sedis [monotypic]
           2.2 Genus †Giraffatitan Paul, 1988
 2.2 Genus †Giraffatitan Paul, 1988
           2.3.1 Genus †Lusotitan Antunes & Mateus, 2003, incertae sedis [monotypic]
 2.3.1 Genus †Lusotitan Antunes & Mateus, 2003, incertae sedis [monotypic]
           2.3.2 Genus †Brachiosaurus Riggs, 1903
 2.3.2 Genus †Brachiosaurus Riggs, 1903
           2.3.3.1 Genus †Abydosaurus Chure, Britt, Whitlock & Wilson, 2010
 2.3.3.1 Genus †Abydosaurus Chure, Britt, Whitlock & Wilson, 2010
           2.3.3.2 Genus †Cedarosaurus Tidwell, Carpenter & Brooks, 1999
 2.3.3.2 Genus †Cedarosaurus Tidwell, Carpenter & Brooks, 1999
           2.3.3.3 Genus †Venenosaurus Tidwell, Carpenter & Meyer, 2001
 2.3.3.3 Genus †Venenosaurus Tidwell, Carpenter & Meyer, 2001