†[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]]
           1 [†Brontomerus mcintoshi Taylor et al., 2011, nom. dub.]