Partly after Curry Rogers & Forster, 2001 and Keesey, 1996-2004

<==o †Titanosauridae Lydekker, 1877 [Saltasauridae Powell, 1988]
   |?- †Ampelosaurus atacis Le Loeuff, 1995
   |?- †“Antarctosaurus” septentrionalis Huene & Matley, 1933 [nomen nudum]
   |?- †“Antarctosaurus” jaxarticus Riabinin, 1939 [nomen nudum]
   |?- †Hypselosaurus priscus Matheron, 1869
   |?- †Jainosaurus septentrionalis (von Huene & Matley, 1933) Hunt, Lockley, Lucas & von Meyer, 1995 
   |?- †Laplatasaurus araukanicus Huene, 1929a
   |?- †Janenschia robusta (Fraas, 1908) Wild, 1991
   |?- †Jiangshanosaurus lixianensis
   |?- †Pellegrinisaurus powelli Salgado, 1996
   |?- †Puertasaurus reuili
   |?- †“Titanosaurus” valdensis Huene, 1929a [nomen nudum]
   |?- †“Titanosaurus” madagascariensis Deperet, 1896 [nomen dubium]
   |?- †Tornieria robusta (Fraas, 1908) Sternfeld, 1911 [Gigantosaurus robustus Fraas, 1908]
   |?-o †Magyarosaurus Huene, 1932
   |  |-- †M. dacus (Nopcsa, 1915) [Titanosaurus dacus Nopcsa, 1915]
   |  |-- †M. transsylvanicus Huene, 1932
   |  `-- †M. hungaricus Huene, 1932
   |?- †Rocasaurus muniozi Salgado & Azpilicueta, 2000
   `--+-- †Argentinosaurus huinculensis Bonaparte & Coria, 1993
      `--+--+--o †Antarctosaurus Huene, 1929a [Antarctosauridae]
         |  |  |-- †A. wichmannianus Huene, 1929a
         |  |  |-- †A. giganteus Huene, 1929a
         |  |  `-- †A. brasiliensis Arid & Vizotto, 1972
         |  `--+-- †Malawisaurus dixeyi (Haughton, 1928) [Gigantosaurus robustus Fraas, 1908; Tornieria dixeyi (Fraas, 1908) Sternfeld, 1911] [paraphyletic Andesauridae]
         |     `--o †Nemegtosaurini [Nemegtosauridae]
         |        |?- †Dyslocosaurus polyonychius McIntosh, Coombs & Russell, 1992
         |        |-- †Quaesitosaurus orientalis Kurzanov & Bannikov, 1983
         |        `--+-- †Rapetosaurus krausei Curry Rogers & Forster, 2001
         |           `-- †Nemegtosaurus mongoliensis Nowinski, 1971
         `--+-- †Argyrosaurus superbus Lydekker, 1893a [Argyrosauridae]
            `--+--+?- †Gondwanatitan faustoi Kellner & de Azevedo, 1999 [=? Aeolosaurus]
               |  `-- †Aeolosaurus rionegrinus Powell,1988 [=? Gondwanatitan]
               `--+-- †Alamosaurus sanjuanensis Gilmore, 1922
                  |?- †Epachthosaurus sciuttoi Powell, 1990
                  |--o †Titanosaurus Lydekker, 1877 [nomen dubium sensu Wilson & Upchurch, 2003]
                  |  |-- †T. indicus Lydekker, 1877 [nomen dubium]
                  |  |-- †T. blanfordi Lydekker, 1879
                  |  |-- †T. colberti Jain & Bandyopadhyay, 1997
                  |  `-- †T. falloti Hoffet, 1942
                  `--o †Saltasauridae Powell, 1987 sensu Wilson & Upchurch, 2003?
                     |-- †Opisthocoelicaudia skarzynskii Borsuk-Biallynicka, 1977 [Opisthocoelicaudiinae McIntosh, 1990]
                     `--+-- †Neuquensaurus australis (Lydekker, 1893) Powell, 1992
                        `--o †Saltasaurus Bonaparte & Powell, 1980 [Microcoelus Lydekker, 1893a; ?Loricosaurus Huene, 1929a] [Saltasauriinae Powell, 1987]
                           |-- †S. loricatus Bonaparte & Powell, 1980
                           |-- †S. australis (Lydekker, 1893a) [Titanosaurus australis Lydekker, 1893a; Titanosaurus nanus Lydekker, 1893a; Microcoelus patagonicus Lydekker, 1893a; ?Loricosaurus sculatus Huene, 1929a]
                           `-- †S. robustus (Huene, 1929a) [Titanosaurus robustus Huene, 1929a]

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