†[Eusauropoda] Upchurch 1995 †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998] †Macronaria Wilson & Sereno 1998 †Titanosauriformes Salgado, Coria & Calvo 1997 †Somphospondyli Wilson & Sereno 1998 †Euhelopodidae Romer 1956 [D'Emic 2012] see Family Euhelopodidae Romer, 1956 Genus †Euhelopus Romer, 1956 †Euhelopus zdanskyi (Wiman, 1929)