CentrosaurinaeCerapodaCeratopsiaCeratopsidaeCeratopsoideaCoronosauriaDinosauriaGenasauriaLate CretaceousMarginocephaliaNeoceratopsiaNeornithischiaNorth AmericaOrnithischia

“Monoclonius” sphenocerus

Dinosaur: "Monoclonius" sphenocerus

Type: Ceratops

Length*:5 m16.4 ft
Weight*:1.6 tons3,527 lb
ESR: 0.5 / 4 (estimated size reliability)
*The largest known specimen


Material: Complete nasal with horncore, incomplete premaxilla.
References: Dodson, P. (1990). On the status of the ceratopsids Monoclonius and Centrosaurus.


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