Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval.
see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval.
see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
†Sauropoda Marsh 1878 [Salgado et al. 1997]
†Titanosauriformes Salgado, Coria & Calvo 1997
†Titanosauria Bonaparte & Coria 1993
†Lithostrotia Upchurch, Barrett & Dodson 2004
†Opisthocoelicaudiinae
see Subfamily Opisthocoelicaudiinae McIntosh, 1990
1 Genus †Alamosaurus Gilmore, 1922
2 Genus †Opisthocoelicaudia Borsuk-Białynicka, 1977