Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
Count: [†*] †29g;3s
   Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval. see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
  Count: [†*] †29g;3s
     †Sauropoda Marsh 1878 [Salgado et al. 1997]
    Count: [†*] †29g;3s
       †Titanosauriformes Salgado, Coria & Calvo 1997
      Count: [†*] †28g;3s
         †Titanosauria Bonaparte & Coria 1993
        Count: [†*] †24g;3s
           1 Genus †Andesaurus Calvo & Bonaparte, 1991
          Count: -
           2.2 †Lithostrotia Upchurch, Barrett & Dodson 2004
          Count: [†*] †22g;3s