Classification of Chinnery 2004

G. †Centrosaurus Lambe 1905
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†Centrosaurus apertus Lambe 1905
G. †Triceratops Marsh 1889
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†Triceratops horridus Marsh 1889
Infraor. †Neoceratopsia Sereno 1986
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G. †Archaeoceratops Dong and Azuma 1997
G. †Asiaceratops Nessov et al. 1989
G. †Bagaceratops Maryanska and Osmólska 1975
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†Bagaceratops rozhdestvenskyi Maryanska and Osmólska 1975
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
G. †Chaoyangosaurus Zhao and Cheng 1983
Fm. †Leptoceratopsidae Nopcsa 1923 [leptoceratopsid]
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G. †Leptoceratops Brown 1914
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†Leptoceratops gracilis Brown 1914
G. †Montanoceratops Sternberg 1951
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†Montanoceratops cerorhynchus Brown and Schlaikjer 1942
G. †Prenoceratops Chinnery 2004
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†Prenoceratops pieganensis Chinnery 2004
G. †Udanoceratops Kurzanov 1992
G. †Liaoceratops Xu et al. 2002
Fm. †Protoceratopsidae Granger and Gregory 1923
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G. †Graciliceratops Sereno 2000
G. †Protoceratops Granger and Gregory 1923
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†Protoceratops andrewsi Granger and Gregory 1923
G. †Zuniceratops Wolfe and Kirkland 1998
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†Zuniceratops christopheri Wolfe and Kirkland 1998
G. †Chaoyangsaurus Zhao et al. 1999
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†Chaoyangosaurus youngi Zhao et al. 1999