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] Genus †Losillasaurus Casanovas, Santafé & Sanz, 2001 1 †Losillasaurus giganteus Casanovas, Santafe & Sanz, 2001