Classification of Tanoue and Okazaki 2014
G. †Protoceratops Granger and Gregory 1923
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†Protoceratops andrewsi Granger and Gregory 1923
G. †Archaeoceratops Dong and Azuma 1997
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†Archaeoceratops oshimai Dong and Azuma 1997
†Archaeoceratops yujingziensis You et al. 2010
G. †Yamaceratops Makovicky and Norell 2006
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†Yamaceratops dorngobiensis Makovicky and Norell 2006