†[Eusauropoda] Upchurch 1995 †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998] †Macronaria Wilson & Sereno 1998 †Titanosauriformes Salgado, Coria & Calvo 1997 [Genus †Brontomerus Taylor, Wedel & Cifelli, 2011, nom. dub. [monotypic]] [†Brontomerus mcintoshi Taylor et al., 2011, nom. dub.]