†[Eusauropoda] Upchurch 1995
Count: [†*] †56g;54s
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
  Count: [†*] †52g;51s
     †Macronaria Wilson & Sereno 1998
    Count: [†*] †52g;51s
       †Titanosauriformes Salgado, Coria & Calvo 1997
      Count: [†*] †46g;46s
         †Brachiosauridae Riggs 1904 see Family Brachiosauridae Riggs, 1904
        Count: [†*] †7g;7s
           Genus †Abydosaurus Chure, Britt, Whitlock & Wilson, 2010
          Count: [†*] †1s
             †Abydosaurus mcintoshi Chure, Britt, Whitlock & Wilson, 2010
            Count: -