Classification of Galton 1977
†Laosaurus celer Marsh 1878
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G. †Laosaurus Marsh 1878
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Or. Theropoda Marsh 1881 [theropod]
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Fm. †Coeluridae Marsh 1881 [coelurid]
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G. †Coelurus Marsh 1879
G. †Elaphrosaurus Janensch 1920
G. †Ornitholestes Osborn 1903
G. †Iliosuchus Huene 1932
G. †Marshosaurus Madsen, Jr. 1976
Infraor. †Sauropoda Marsh 1878 [sauropod]
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Fm. †Dicraeosauridae Huene 1927 [dicraeosaurid]
Subor. †Ornithopoda Marsh 1881 [ornithopod]
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Fm. †Hypsilophodontidae Dollo 1882 [hypsilophodontid]
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G. †Othnielia Galton 1977
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†Othnielia rex Marsh 1877
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Invalid names: Laosaurus consors Marsh 1894 [synonym], Laosaurus gracilis Marsh 1878 [synonym]
Fm. †Stegosauridae Marsh 1880
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G. †Kentrosaurus Hennig 1915
G. †Stegosaurus Marsh 1877