CentrosaurinaeCerapodaCeratopsiaCeratopsidaeCeratopsoideaCoronosauriaDinosauriaEucentrosauraGenasauriaLate CretaceousMarginocephaliaNeoceratopsiaNeornithischiaNorth AmericaOrnithischiaPachyrhinosauriniPachyrostra

Pachyrhinosaurus perotorum

Dinosaur: Pachyrhinosaurus perotorum

Cretaceous: 83.6–66 Ma
Type: Ceratops

Length*:5.2 m17.1 ft
Weight*:2 tons4,409 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen



Sources

Material: At least 10 individuals.
References: Ronald S. Tykoski, Anthony R. Fiorillo & Kentaro Chiba (2019). New data and diagnosis for the Arctic ceratopsid dinosaur Pachyrhinosaurus perotorum.

Locations

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