Classification of Calvo et al. 2007
Unr. †Titanosauria Bonaparte and Coria 1993
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Fm. †Titanosauridae Lydekker 1885 [titanosaurid]
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G. †Epachthosaurus Powell 1990
Unr. †Eutitanosauria Sanz et al. 1999
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G. †Lirainosaurus Sanz et al. 1999
Subfm. †Opisthocoelicaudiinae McIntosh 1990
G. †Rapetosaurus Curry Rogers and Forster 2001
G. †Rinconsaurus Calvo and González Riga 2003
Subfm. †Saltasaurinae Powell 1992 [saltasaurine]
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G. †Neuquensaurus Powell 1992
G. †Rocasaurus Salgado and Azpilicueta 2000
G. †Saltasaurus Bonaparte and Powell 1980
Unr. †Lognkosauria Calvo et al. 2007
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G. †Unenlagia Novas and Puerta 1997
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†Unenlagia comahuensis Novas and Puerta 1997
†Unenlagia paynemili Calvo et al. 2004
G. †Argentinosaurus Bonaparte and Coria 1993
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†Argentinosaurus huinculensis Bonaparte and Coria 1993
Subfm. †Opisthocoelicaudinae McIntosh 1990
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G. †Alamosaurus Gilmore 1922
G. †Opisthocoelicaudia Borsuk-Bialynicka 1977