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]
†Sauropodomorpha Huene 1932 [Salgado et al. 1997]
see Order Sauropodomorpha Huene, 1932
†Sauropoda Marsh 1878 [Salgado et al. 1997]
†Eusauropoda Upchurch 1995
†Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
†Macronaria Wilson & Sereno 1998
†Titanosauriformes Salgado, Coria & Calvo 1997
†Somphospondyli Wilson & Sereno 1998
†Titanosauria Bonaparte & Coria 1993
†Saltasauridae Sereno 1998
see Family Saltasauridae Powell, 1992
†Opisthocoelicaudinae Sereno 1998
see Clade Opisthocoelicaudiinae