CentrosaurinaeCerapodaCeratopsiaCeratopsidaeCeratopsoideaCoronosauriaDinosauriaEucentrosauraGenasauriaLate CretaceousMarginocephaliaNeoceratopsiaNeornithischiaNorth AmericaOrnithischiaPachyrhinosauriniPachyrostra

Pachyrhinosaurus lakustai

Dinosaur: Pachyrhinosaurus lakustai


Type: Ceratops

Length*: 5.7 m 18.7 ft
Weight*: 2.2 tons 4,850 lb
*The largest known specimen

ESR: 3 / 4 (estimated size reliability)


Other

Material: At least 15 individuals.
References: Currie, P.J., Langston, W., and Tanke, D.H. (2008). "A new species of Pachyrhinosaurus (Dinosauria, Ceratopsidae) from the Upper Cretaceous of Alberta, Canada.

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