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]
†Diplodocoidea Upchurch 1995 [Wilson & Sereno 1998]
see Superfamily Diplodocoidea Marsh, 1884
†Diplodocimorpha Calvo & Salgado, 1995
†Rebbachisauridae Bonaparte 1997 [Wilson 2004]
see Family Rebbachisauridae Bonaparte, 1997
†Khebbashia Fanti et al., 2015
1 †Limaysaurinae Whitlock 2011
see Subfamily Limaysaurinae Whitlock, 2011
2 †Rebbachisaurinae Wilson & Allain, 2015
see Subfamily Rebbachisaurinae Wilson & Allain, 2015