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Clasmodosaurus spatula Ameghino 1898 (sauropod)

Reptilia - Dinosauria

Belongs to Sauropoda according to P. Upchurch et al. 2004

Sister taxa: Acanthopholis platypus, Aepisaurus, Agustiniidae, Algoasaurus, Amygdalodon, Antetonitrus, Archaeodontosaurus, Asiatosaurus, Astrodon johnstoni, Atlantosauridae, Atlantosaurus, Blikanasaurus, Bothriospondylidae, Bothriospondylus elongatus, Bothrosauropodidae, Bothrosauropodoidea, Brachiosaurus nougaredi, Brontopodidae, Brontopodus, Brontosauridae, Bruhathkayosaurus, Camarasauroidea, Cardiodontidae, Cetiosaurus epioolithicus, Cetiosaurus hypoolithicus, Cetiosaurus longus, Cetiosaurus medius, Chiayusaurus, Chinshakiangosaurus, Chondrosteosaurus, Chubutisauridae, Chuxiongosaurus, Clasmodosaurus, Dystrophaeus, Eusauropoda, Faveoloolithidae, Gigantosaurus, Gongxianosaurus, Gravisauria, Hamanosauripus, Haplocanthosauridae, Homalosauropodidae, Homalosauropodoidea, Iguanodon praecursor, Iguanodonichnus, Isanosaurus, Koreanosauripus, Kotasaurus, Kunmingosaurus, Lamplughsaura, Lancanjiangosaurus, Lessemsaurus, Mamenchisauroidea, Microsaurops, Morinosaurus, Neosodon, Neuquensaurus robustus, Nurosaurus, Ohmdenosaurus, Oplosaurus, Ornithopsidae, Parabrontopodidae, Parabrontopodus, Parrosaurus, Pleurocoelidae, Pleurocoelus altus, Pleurocoelus nanus, Pleurocoelus valdensis, Polyonyx, Protognathosaurus, Qinlingosaurus, Ravatichnus, Rotundichnus, Spinophorosaurus, Tapinosaurus, Tazoudasaurus, Tendaguriidae, Titanosaurus lydekkeri, Titanosaurus montanus, Ultrasaurus, Vulcanodon, Zizhongosaurus

Type specimen: Ameghino pers. coll., a tooth. Its type locality is Par-Aik, Río Sehuen, which is in a Santonian/Campanian terrestrial sandstone in the Mata Amarilla Formation of Argentina.

Ecology: ground dwelling herbivore