†[Eusauropoda] Upchurch 1995 †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998] †Macronaria Wilson & Sereno 1998 †Titanosauriformes Salgado, Coria & Calvo 1997 †Somphospondyli Wilson & Sereno 1998 †Titanosauria Bonaparte & Coria 1993 †Lithostrotia Upchurch, Barrett & Dodson 2004 †Saltasauridae Sereno 1998 see Family Saltasauridae Powell, 1992 †Saltasaurinae Powell 1992 see Subfamily Saltasaurinae Powell, 1992 Genus †Alamosaurus Gilmore, 1922 †Alamosaurus sanjuanensis Gilmore, 1922