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]
     †Sauropoda Marsh 1878 [Salgado et al. 1997]
       †Titanosauriformes Salgado, Coria & Calvo 1997
         †Titanosauria Bonaparte & Coria 1993
           †Lithostrotia Upchurch, Barrett & Dodson 2004
             †Rinconsauria J. Calvo, B. González-Riga & J. Porfiri 2007
               1 Genus †Rinconsaurus Calvo & Gonzalez Riga, 2003
               2.1 Genus †Muyelensaurus Calvo, González-Riga & Porfiri, 2007
               2.2.1 Genus †Bonitasaura Apesteguía, 2004
               2.2.2 †Lognkosauria Calvo et al. 2007