†[Eusauropoda] Upchurch 1995
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     †Macronaria Wilson & Sereno 1998
       †Titanosauriformes Salgado, Coria & Calvo 1997
         Genus †Aragosaurus Sanz, Buscalioni, Casanovas-Cladellas & Santafé, 1987, incertae sedis [monotypic]
           1 †Aragosaurus ischiaticus Sanz, Buscalioni, Casanovas & Santafe, 1987