Classification of Mallon et al. 2016
G. †Dromaeosaurus Matthew and Brown 1922
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†Dromaeosaurus albertensis Matthew and Brown 1922
G. †Brachylophosaurus Sternberg 1953
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†Brachylophosaurus canadensis Sternberg 1953
G. †Pentaceratops Osborn 1923
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Invalid names: Pentaceratops aquilonius Longrich 2014 [nomen dubium]
Subfm. †Chasmosaurinae Lambe 1915
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Invalid names: Ceratops Marsh 1888 [nomen dubium]
G. †Richardoestesia Currie et al. 1990
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†Richardoestesia gilmorei Currie et al. 1990
G. †Kosmoceratops Sampson et al. 2010
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†Kosmoceratops richardsoni Sampson et al. 2010