Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
   †Sauropoda Marsh 1878 [Salgado et al. 1997]
     †Titanosauriformes Salgado, Coria & Calvo 1997
       [†Somphospondili Otero, 2010, nom. null.] see Clade Somphospondyli Wilson & Sereno 1998