Classification of the clade Pachyrhinosaurini
Unr. †Pachyrhinosaurini Fiorillo and Tykoski 2012
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G. †Einiosaurus Sampson 1994
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†Einiosaurus procurvicornis Sampson 1994
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Invalid names: Styracosaurus makeli Czerkas and Czerkas 1990 [replaced]
G. †Pachyrhinosaurus Sternberg 1950
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†Pachyrhinosaurus canadensis Sternberg 1950
†Pachyrhinosaurus lakustai Currie et al. 2008
†Pachyrhinosaurus perotorum Fiorillo and Tykoski 2012
Invalid names: Pachyrostra Fiorillo and Tykoski 2012 [empty]