†Sauropoda Marsh 1878 [Salgado et al. 1997]
†Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
†Macronaria Wilson & Sereno 1998
†Titanosauriformes Salgado, Coria & Calvo 1997
†Somphospondyli Wilson & Sereno 1998
†Titanosauria Bonaparte & Coria 1993
†Lithostrotia Upchurch, Barrett & Dodson 2004
†Lognkosauria Calvo et al. 2007
Genus †Patagotitan Carballido, Pol, Otero, Cerda, Salgado, Garrido, Ramezani, Cúneo & Krause, 2017 [monotypic]
†Patagotitan mayorum Carballido et al., 2017