Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
   †Sauropoda Marsh 1878 [Salgado et al. 1997]
     †Titanosauriformes Salgado, Coria & Calvo 1997
       †Somphospondyli Wilson & Sereno 1998
         †Titanosauria Bonaparte & Coria 1993
           1 Genus †Andesaurus Calvo & Bonaparte, 1991
           2 Genus †Malawisaurus Jacobs, Winkler, Downs & Gomani, 1993
           3 Genus †Ligabuesaurus Bonaparte, González-Riga & Apesteguía, 2006
           4 Genus †Epachthosaurus Powell, 1990
           5 Genus †Lirainosaurus Sanz, Powell, Le Loeuff, Martínez & Pereda Suberbiola, 1999
           6 Genus †Bonatitan Martinelli & Forasiepi, 2004
           7.1 Genus †Rapetosaurus Curry Rogers & Forster, 2001
           7.2.1.1 Genus †Rinconsaurus Calvo & Gonzalez Riga, 2003
           7.2.1.2.1 Genus †Muyelensaurus Calvo, González-Riga & Porfiri, 2007
           7.2.1.2.2.1.1 Genus †Bonitasaura Apesteguía, 2004
           7.2.1.2.2.1.2.1 Genus †Mendozasaurus González Riga, 2003
           7.2.1.2.2.1.2.2 Genus †Futalognkosaurus Calvo, Porfiri, González-Riga & Kellner, 2007
           7.2.1.2.2.2.1 Genus †Laplatasaurus von Huene, 1928
           7.2.1.2.2.2.2 Genus †Uberabatitan Salgado & de Souza Carvalho, 2008
           7.2.2.1 Genus †Overosaurus Coria, Filippi, Chiappe, García & Arcucci, 1213
           7.2.2.2 †Aeolosaurini A. Franco-Rosas, L. Salgado, C. Rosas & I. Carvalho 2004
           8.1 Genus †Opisthocoelicaudia Borsuk-Białynicka, 1977
           8.2 Genus †Alamosaurus Gilmore, 1922
           9 †Saltasaurini Salgado & Bonaparte 2007