Classification of Hone et al. 2014
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
†Protoceratops hellenikorhinus Lambert et al. 2001