Classification of Sternberg 1940
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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G. †Centrosaurus Lambe 1905
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†Centrosaurus apertus Lambe 1905
†Centrosaurus dawsoni Lambe 1902
†Centrosaurus flexus Brown 1914
†Centrosaurus longirostris Sternberg 1940
†Centrosaurus recurvicornis Cope 1889
G. †Chasmosaurus Lambe 1914
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†Chasmosaurus belli Lambe 1902
†Chasmosaurus brevirostris Lull 1933
†Chasmosaurus russelli Sternberg 1940
G. †Monoclonius Cope 1876
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†Monoclonius crassus Cope 1876
†Monoclonius lowei Sternberg 1940
†Monoclonius sphenocerus Cope 1889
G. †Triceratops Marsh 1889
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†Triceratops fabellatus Marsh 1889
†Triceratops prorsus Marsh 1890