Classification of Galton 1980

Or. †Ornithischia Seeley 1888 [ornithischian]
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Fm. †Scelidosauridae Cope 1869
Fm. †Stegosauridae Marsh 1880
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G. †Kentrosaurus Hennig 1915
G. †Lexovisaurus Hoffstetter 1957
G. †Stegosaurus Marsh 1877
Subor. †Ankylosauria Osborn 1923
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Fm. †Nodosauridae Marsh 1890
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G. †Cryptodraco Lydekker 1889
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Cryptodraco eumerus Seeley 1875
G. †Hoplitosaurus Lucas 1902
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Hoplitosaurus marshi Lucas 1901
G. †Priconodon Marsh 1888
G. †Priodontognathus Seeley 1875
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G. †Sarcolestes Lydekker 1893
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Sarcolestes leedsi Lydekker 1893
G. †Sauropelta Ostrom 1970