Full reference: S. Apesteguía. 2005. Evolution of the titanosaur metacarpus. Thunder-Lizards: The Sauropodomorph Dinosaurs. Indiana University Press, Bloomington 321-345
Parent taxon: Sauropoda according to S. Apesteguía 2005
Sister taxa: Agustiniidae, Amygdalodon, Antetonitrus, Archaeodontosaurus, Atlantosauridae, Blikanasaurus, Bothriospondylidae, Bothrosauropodidae, Bothrosauropodoidea, Brontopodidae, Brontopodus, Brontosauridae, Camarasauroidea, Camelotia, Cardiodontidae, Chinshakiangosaurus, Chubutisauridae, Chuxiongosaurus, Deuterosauropodopus, Dystrophaeus, Eusauropoda, Faveoloolithidae, Gongxianosaurus, Gravisauria, Haplocanthosauridae, Homalosauropodidae, Homalosauropodoidea, Isanosaurus, Jingshanosaurus, Kotasaurus, Lamplughsaura, Mamenchisauroidea, Melanorosaurus, Microsaurops, Ohmdenosaurus, Oplosaurus, Ornithopsidae, Parabrontopodus, Pleurocoelidae, Polyonyx, Ravatichnus, Rotundichnus, Spinophorosaurus, Tapinosaurus, Tendaguriidae, Vulcanodon, Algoasaurus bauri, Morinosaurus priscus
Subtaxa: Breviparopus
Ecology: ground dwelling herbivore