Classification of Galton 2007

Diracodon laticeps Marsh 1881
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Subor. †Ornithopoda Marsh 1881 [ornithopod]
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Fm. †Heterodontosauridae Romer 1966 [heterodontosaurid]
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G. †Echinodon Owen 1861
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Echinodon becklesii Owen 1861
Invalid names: Othnielia Galton 1977 [nomen dubium]
G. †Hypsilophodon Huxley 1870
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Hypsilophodon foxii Huxley 1870
G. †Phyllodon Thulborn 1975
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Phyllodon henkeli Thulborn 1975
G. †Camptosaurus Marsh 1885
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Camptosaurus amplus Marsh 1879
Camptosaurus dispar Marsh 1879
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Invalid names: Camptosaurus browni Gilmore 1909 [synonym], Camptosaurus medius Marsh 1894 [synonym], Camptosaurus nanus Marsh 1894 [synonym]
Camptosaurus hoggii Owen 1874
Subor. †Stegosauria Marsh 1877
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Fm. †Stegosauridae Marsh 1880
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G. †Hesperosaurus Carpenter et al. 2001
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Hesperosaurus mjosi Carpenter et al. 2001
G. †Stegosaurus Marsh 1877
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Stegosaurus armatus Marsh 1877
Stegosaurus stenops Marsh 1887
Stegosaurus ungulatus Marsh 1879
Invalid names: Diracodon Marsh 1881 [synonym]
Subor. †Ankylosauria Osborn 1923 [ankylosaur]
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Invalid names: Polacanthidae Wieland 1911 [empty]
Unr. †Euornithopoda Sereno 1986
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G. †Drinker Bakker et al. 1990
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Drinker nisti Bakker et al. 1990
Infraor. †Iguanodontia Baur 1891
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Unr. †Ankylopollexia Sereno 1986
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Fm. †Camptosauridae Marsh 1885 [camptosaurid]
Fm. †Dryosauridae Milner and Norman 1984
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G. †Dryosaurus Marsh 1894
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Dryosaurus altus Marsh 1878
Dryosaurus lettowvorbecki Virchow 1919
G. †Nanosaurus Marsh 1877
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Nanosaurus agilis Marsh 1877
Invalid names: Nanosaurus rex Marsh 1877 [nomen dubium]
G. †Othnielosaurus Galton 2007
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Othnielosaurus consors Marsh 1894