†[Eusauropoda] Upchurch 1995
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     †Macronaria Wilson & Sereno 1998
       †Titanosauriformes Salgado, Coria & Calvo 1997
         Genus †Jiutaisaurus Wu W. H., Dong, Sun Y., Li C. & Li T., 2006, incertae sedis [monotypic]
           1 †Jiutaisaurus xidiensis Wu et al., 2006, nom. dub.