†[Eusauropoda] Upchurch 1995 †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998] †Macronaria Wilson & Sereno 1998 †Titanosauriformes Salgado, Coria & Calvo 1997 [Genus †Rugocaudia Woodruff, 2012, nom. dub. [monotypic]] 1 [†Rugocaudia cooneyi Woodruff, 2012, nom. dub.]