†[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
               Genus †Qingxiusaurus Mo, Huang C., Zhao Z., Wang W. & Xu X., 2008, incertae sedis [monotypic]
                 1 †Qingxiusaurus youjiangensis Mo et al., 2008