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†unranked clade Sauropoda Marsh 1878 (sauropod)

Reptilia - Dinosauria

Invalid subtaxa: Aepisaurus Gervais 1852 [nomen dubium], Aepyosaurus Gervais 1852 [nomen dubium], Aepysaurus Gervais 1852 [nomen dubium], Algoasaurus Broom 1904 [nomen dubium], Algosaurus Broom 1904 [nomen dubium], Astrodon altus Marsh 1888 [nomen dubium], Astrodon valdensis Lydekker 1889 [nomen dubium], Bothriospondylus elongatus Owen 1875 [nomen dubium], Bruhathkayosaurus matleyi Yadagiri and Ayyasami 1987 [nomen dubium], Campylodon Huene 1929 [replaced name], Campylodoniscus Kuhn 1961 [nomen dubium], Ceteosaurus medius Owen 1842 [nomen dubium], Cetiosauria Seeley 1874, Cetiosaurus hypoolithicus Owen 1842 [nomen nudum], Cetiosaurus medius Owen 1842 [nomen dubium], Chiayuesaurus lacustris Bohlin 1953 [nomen dubium], Chiayusaurus lacustris Bohlin 1953 [nomen dubium], Chondrosteosaurus gigas Owen 1876 [nomen dubium], Clasmodon Ameghino 1898 [nomen dubium], Clasmodosaurus Ameghino 1898 [nomen dubium], Clasmosaurus Ameghino 1898 [nomen dubium], Gigantosaurus Seeley 1869 [nomen dubium], Hamanosauripus Kim 1986 [nomen nudum], Iguanodonichnus Casamiquela and Fasola 1968 [nomen dubium], Iguanodonichnus frenki Casamiquela and Fasola 1968 [nomen dubium], Iguanodonichnus frenkii Casamiquela and Fasola 1968 [nomen dubium], Kunmingosaurus Zhao 1985 [nomen dubium], Lancanjiangosaurus cachuensis Zhao 1986 [nomen nudum], Lanchanjiangosaurus cachuensis Zhao 1986 [nomen nudum], Morinosaurus Sauvage 1874 [nomen dubium], Neosodon de la Moussaye 1884 [nomen dubium], Nurosaurus Dong 1992 [nomen nudum], Nurosaurus qaganensis Dong 1992 [nomen nudum], Oepysaurus Gervais 1852 [nomen dubium], Opisthocoelia Owen 1859, Pleurocoelus altus Marsh 1888 [nomen dubium], Pleurocoelus valdensis Lydekker 1889 [nomen dubium], Qinlingosaurus luonanensis Xue et al. 1996 [nomen dubium], Ultrasaurus Kim 1983 [nomen dubium]

Full reference: O. C. Marsh. 1878. Principal characters of American Jurassic dinosaurs. Part I. American Journal of Science and Arts 16:411-416

Parent taxon: Massopoda according to F. E. Novas et al. 2011

Sister taxa: Eucnemesaurus, Ignavusaurus, Jingshanosaurus, Riojasauridae, Riojasaurus, Sarahsaurus

Subtaxa: Aepisaurus elephantinus, Agustiniidae, Algoasaurus bauri, Amygdalodon, Antetonitrus, Archaeodontosaurus, Asiatosaurus, Astrodon johnstoni, Atlantosaurus, Blikanasaurus, Bothriospondylidae, Bothrosauropodidae, Bothrosauropodoidea, Brachiosaurus nougaredi, Brontopodidae, Brontopodus, Brontosauridae, Bruhathkayosaurus, Camarasauroidea, Campylodon ameghinoi, Cardiodontidae, Cetiosaurus epioolithicus, Cetiosaurus longus, Chiayusaurus, Chinshakiangosaurus, Chondrosteosaurus, Chubutisauridae, Chuxiongosaurus, Clasmodosaurus spatula, Dystrophaeus, Eusauropoda, Faveoloolithidae, Gigantosaurus megalonyx, Gongxianosaurus, Gravisauria, Hamanosauripus ungulatus, Haplocanthosauridae, Herrerasauridae, Homalosauropodidae, Homalosauropodoidea, Iguanodon praecursor, Isanosaurus, Koreanosauripus, Kotasaurus, Kunmingosaurus wudingensis, Lamplughsaura, Lancanjiangosaurus, Lessemsaurus, Mamenchisauroidea, Microsaurops, Morinosaurus priscus, Morinosaurus typus, Ohmdenosaurus, Oplosaurus, Ornithopsidae, Parabrontopodidae, Parabrontopodus, Parrosaurus, Pleurocoelidae, Pleurocoelus nanus, Polyonyx, Protognathosaurus, Qinlingosaurus, Ravatichnus, Rotundichnus, Spinophorosaurus, Tapinosaurus, Tazoudasaurus, Tendaguriidae, Titanosaurus lydekkeri, Titanosaurus montanus, Ultrasaurus tabriensis, Vulcanodon, Zizhongosaurus

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Ecology: ground dwelling herbivore