†Sauropoda Marsh 1878 [Salgado et al. 1997]
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     †Macronaria Wilson & Sereno 1998
       †Titanosauriformes Salgado, Coria & Calvo 1997
         †Somphospondyli Wilson & Sereno 1998
           01 †Euhelopodidae Romer 1956 [D'Emic 2012] see Family Euhelopodidae Romer, 1956
           02.1 †Cloverly titanosauriform
           02.2 Genus †Padillasaurus Carballido, Pol, Parra Ruge, Padilla Bernal, Páramo-Fonseca & Etayo-Serna, 2015
           02.3.1 Genus †Dongbeititan Wang X. R., You, Meng, Gao C., Cheng X. & Liu J. Y., 2007
           02.3.2 Genus †Ligabuesaurus Bonaparte, González-Riga & Apesteguía, 2006
           03.1 Genus †Tastavinsaurus Canudo, Royo-Torres & Cuenca-Bescós, 2008
           03.2.1 Genus †Angolatitan Mateus, Jacobs, Schulp, Polcyn, Taveres, Neto, Morais & Telles Antunes, 2011
           03.2.2 Genus †Chubutisaurus del Corro, 1975
           04 †Huanghetitan liujiaxiaensis You et al., 2006
           05 †Huanghetitan ruyangensis Lü et al., 2007, nom. dub.
           06 Genus †Malarguesaurus González-Riga, Previtera & Pirrone, 2008
           07 Genus †Paluxysaurus Rose, 2007
           08 Genus †Sauroposeidon Wedel, Cifelli & Sanders, 2000
           09 Genus †Ruyangosaurus Lü, Xu L., Jia S., Zhang X. L., Zhang J. M., Yang L., You & Ji Q., 2009
           10 Genus †Wintonotitan Hocknull et al., 2009
           11 †Titanosauria Bonaparte & Coria 1993