†[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
           Genus †Abydosaurus Chure, Britt, Whitlock & Wilson, 2010
             1 †Abydosaurus mcintoshi Chure, Britt, Whitlock & Wilson, 2010