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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Invalid names: Othnielia Galton 1977 [nomen dubium]
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
†Camptosaurus prestwichii Hulke 1880
Subor. †Stegosauria Marsh 1877
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Fm. †Stegosauridae Marsh 1880
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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. †Nanosaurus Marsh 1877
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†Nanosaurus agilis Marsh 1877
Invalid names: Nanosaurus rex Marsh 1877 [nomen dubium]