Order †Saurischia Seeley, 1887
see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
Suborder †Sauropodomorpha Huene, 1932
see Order Sauropodomorpha Huene, 1932
Infraorder †Prosauropoda Huene, 1920
see Suborder Prosauropoda Huene, 1920
Family †Plateosauridae Marsh, 1895
Genus †Massospondylus Owen, 1854