A new Maastrichtian species of the centrosaurine ceratopsid Pachyrhinosaurus from the North Slope of Alaska

A. R. Fiorillo, and R. S. Tykoski

2012

Article

Acta Palaeontologica Polonica 57(3):561-573

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Taxa discussed in this work:

• Pachyrhinosaurini
• Pachyrhinosaurus perotorum
• Pachyrostra

Taxonomy:

• Pachyrhinosaurus perotorum belongs to Pachyrhinosaurus - Fiorillo and Tykoski (2012)
• Pachyrhinosaurus canadensis belongs to Pachyrhinosaurus - Fiorillo and Tykoski (2012)
• Pachyrhinosaurus lakustai belongs to Pachyrhinosaurus - Fiorillo and Tykoski (2012)
• Pachyrhinosaurini belongs to Centrosaurinae - Fiorillo and Tykoski (2012)
• Pachyrostra belongs to Pachyrhinosaurini - Fiorillo and Tykoski (2012)