Full reference: J. F. Bonaparte and R. A. Coria. 1993. Un neuvo y gigantesco saurópodo titanosaurio de la Formación Rio Limay (Albanio-Cenomaniano) de la Provincia del Neuquén, Argentina [A new and huge titanosaur sauropod from the Rio Limay Formation (Albian-Cenomanian) of Neuquén Province, Argentina]. Ameghiniana 30(3):271-282
Parent taxon: Somphospondyli according to M. D. D'Emic 2012
Sister taxa: Angolatitan, Astrophocaudia, Brontomerus, Chubutisaurus, Diamantinasaurus, Erketu, Euhelopodidae, Gobititan, Huanghetitan, Ligabuesaurus, Liubangosaurus, Malarguesaurus, Phuwiangosaurus, Qiaowanlong, Ruyangosaurus, Sauroposeidon, Sonidosaurus, Tangvayosaurus, Tastavinsaurus, Titanosauria, Yunmenglong
Subtaxa: Argentinosaurus huinculensis
Ecology: ground dwelling herbivore