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Fossil collection records
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Classifications of taxa in groups
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Classification of Hatcher 1896
G. †
Monoclonius
Cope 1876
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Monoclonius recurvicornis
Cope 1889
G. †
Ceratops
Marsh 1888
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Ceratops montanus
Marsh 1888
G. †
Agathaumas
Cope 1872
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Agathaumas sylvestre
Cope 1872