 Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval.
 see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
 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]
 †Sauropoda Marsh 1878 [Salgado et al. 1997]
     †Titanosauriformes Salgado, Coria & Calvo 1997
 †Titanosauriformes Salgado, Coria & Calvo 1997
       †Somphospondyli Wilson & Sereno 1998
 †Somphospondyli Wilson & Sereno 1998
         †Titanosauria Bonaparte & Coria 1993
 †Titanosauria Bonaparte & Coria 1993
           Genus †Overosaurus Coria, Filippi, Chiappe, García & Arcucci, 1213
 Genus †Overosaurus Coria, Filippi, Chiappe, García & Arcucci, 1213
             1 †Overosaurus paradasorum Coria et al., 2013
 1 †Overosaurus paradasorum Coria et al., 2013