 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]
   Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval.
 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
 Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval.
 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 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
         †Titanosauria Bonaparte & Coria 1993
 †Titanosauria Bonaparte & Coria 1993
           †Lithostrotia Upchurch, Barrett & Dodson 2004
 †Lithostrotia Upchurch, Barrett & Dodson 2004
             †Lirainosaurinae Díez Díaz, Garcia, Pereda-Suberbiola, Jentgen-Ceschino, Stein, Godefroit & Valentin 2018
 see Subfamily Lirainosaurinae Díez Díaz, Garcia, Pereda-Suberbiola, Jentgen-Ceschino, Stein, Godefroit & Valentin, 2018
 †Lirainosaurinae Díez Díaz, Garcia, Pereda-Suberbiola, Jentgen-Ceschino, Stein, Godefroit & Valentin 2018
 see Subfamily Lirainosaurinae Díez Díaz, Garcia, Pereda-Suberbiola, Jentgen-Ceschino, Stein, Godefroit & Valentin, 2018
               1 Genus †Lirainosaurus Sanz, Powell, Le Loeuff, Martínez & Pereda Suberbiola, 1999
 1 Genus †Lirainosaurus Sanz, Powell, Le Loeuff, Martínez & Pereda Suberbiola, 1999
               2.1 Genus †Ampelosaurus Le Loeuff, 1995
 2.1 Genus †Ampelosaurus Le Loeuff, 1995
               2.2 Genus †Atsinganosaurus Garcia, Amico, Fournier, Thouand & Valentin, 2010
 2.2 Genus †Atsinganosaurus Garcia, Amico, Fournier, Thouand & Valentin, 2010