†[Eusauropoda] Upchurch 1995
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     †Macronaria Wilson & Sereno 1998
       †Titanosauriformes Salgado, Coria & Calvo 1997
         †Somphospondyli Wilson & Sereno 1998
           †Titanosauria Bonaparte & Coria 1993
             †Lithostrotia Upchurch, Barrett & Dodson 2004
               †Saltasauridae Sereno 1998 see Family Saltasauridae Powell, 1992
                 Genus †Diamantinasaurus Hocknull et al., 2009, incertae sedis [monotypic]
                   1 †Diamantinasaurus matildae Hocknull et al., 2009