Full reference: E. Buffetaut, V. Suteethorn, G. Cuny, H. Tong, J. Le Loeuff, S. Khansubha, and S. Jongautchariyakul. 2000. The earliest known sauropod dinosaur. Nature 407:72-74
Parent taxon: Sauropoda according to R. Allain and N. Aquesbi 2008
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, Jingshanosaurus, Kotasaurus, Lamplughsaura, Mamenchisauroidea, Melanorosaurus, Microsaurops, Ohmdenosaurus, Oplosaurus, Ornithopsidae, Parabrontopodidae, Parabrontopodus, Pleurocoelidae, Polyonyx, Ravatichnus, Rotundichnus, Spinophorosaurus, Tapinosaurus, Tendaguriidae, Vulcanodon, Algoasaurus bauri, Morinosaurus priscus
Subtaxa: Isanosaurus attavipachi
Type: Isanosaurus attavipachi
Ecology: ground dwelling herbivore