Classification of Makovicky 2001

Subor. †Ceratopsia Marsh 1890 [ceratopsian]
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G. †Chaoyangsaurus Zhao et al. 1999
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†Chaoyangsaurus youngi Zhao et al. 1999
Infraor. †Neoceratopsia Sereno 1986
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G. †Archaeoceratops Dong and Azuma 1997
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†Archaeoceratops oshimai Dong and Azuma 1997
Unr. †Coronosauria Sereno 1986
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Superfm. †Ceratopsoidea Hay 1902
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G. †Zuniceratops Wolfe and Kirkland 1998
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†Zuniceratops christopheri Wolfe and Kirkland 1998
Fm. †Protoceratopsidae Granger and Gregory 1923
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G. †Bagaceratops Maryanska and Osmólska 1975
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†Bagaceratops rozhdestvenskyi Maryanska and Osmólska 1975
G. †Protoceratops Granger and Gregory 1923
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†Protoceratops andrewsi Granger and Gregory 1923
Fm. †Leptoceratopsidae Nopcsa 1923 [leptoceratopsid]
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G. †Asiaceratops Nessov et al. 1989
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†Asiaceratops salsopaludalis Nessov et al. 1989
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. †Udanoceratops Kurzanov 1992
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†Udanoceratops tschizhovi Kurzanov 1992
G. †Microceratops Bohlin 1953
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†Microceratops gobiensis Bohlin 1953
G. †Psittacosaurus Osborn 1923
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Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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G. †Centrosaurus Lambe 1905
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†Centrosaurus apertus Lambe 1905
G. †Triceratops Marsh 1889
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†Triceratops horridus Marsh 1889