†[Eusauropoda] Upchurch 1995
Count: [†*] †56g;54s
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
  Count: [†*] †52g;51s
     †Macronaria Wilson & Sereno 1998
    Count: [†*] †52g;51s
       [plesion] Genus †Tehuelchesaurus Rich, Vickers-Rich, Gimenez, Cúneo, Puerta & Vacca, 1999
      Count: [†*] †1s
         †Tehuelchesaurus benitezii Rich et al., 1999
        Count: -