CerapodaCeratopsiaCeratopsidaeCeratopsoideaChasmosaurinaeCoronosauriaDinosauriaGenasauriaLate CretaceousMarginocephaliaNeoceratopsiaNeornithischiaNorth AmericaOrnithischia

Chasmosaurus irvinensis

Dinosaur: Chasmosaurus irvinensis



Type: Ceratops

Length*:4.6 m15.1 ft
Weight*:1000 kg2,205 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen



Other

Material: Mostly complete skull and skeleton, referred three skulls.
References: Campbell et al.. (2019). Temporal range extension and evolution of the chasmosaurine ceratopsid “Vagaceratops” irvinensis (Dinosauria: Ornithischia) in the Upper Cretaceous (Campanian) Dinosaur Park Formation of Alberta.

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