Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
Count: -
   Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval. see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
  Count: -
     †Sauropodomorpha Huene 1932 [Salgado et al. 1997] see Order Sauropodomorpha Huene, 1932
    Count: -
       †Prosauropoda Huene 1920 [Sereno 1998] see Suborder Prosauropoda Huene, 1920
      Count: -
         †Plateosauria Tornier 1913 [Sereno 1998]
        Count: -
           †Massospondylidae Huene 1914 see Family Massospondylidae Huene, 1914
          Count: -
             1 Genus †Yunnanosaurus Young, 1942
            Count: -
             2 Genus †Massospondylus Owen, 1854
            Count: -