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]
     1.1 †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
     1.2 Genus †Jobaria Sereno, Beck, Dutheil, Larsson, Lyon, Moussa, Sadleir, Sidor, Varricchio, Wilson & Wilson, 1999
     2 Genus †Losillasaurus Casanovas, Santafé & Sanz, 2001
     3 Genus †Omeisaurus Young, 1939