†[Eusauropoda] Upchurch 1995
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     †Macronaria Wilson & Sereno 1998
       †Titanosauriformes Salgado, Coria & Calvo 1997
         †Somphospondyli Wilson & Sereno 1998
           †Euhelopodidae Romer 1956 [D'Emic 2012] see Family Euhelopodidae Romer, 1956
             Genus †Dongyangosaurus Lü, Azuma, Chen R., Zheng W. & Jin X., 2008, incertae sedis [monotypic]
               1 †Dongyangosaurus sinensis Lü et al., 2008