CentrosaurinaeCentrosauriniCerapodaCeratopsiaCeratopsidaeCeratopsoideaCoronosauriaDinosauriaEucentrosauraGenasauriaLate CretaceousMarginocephaliaNeoceratopsiaNeornithischiaNorth AmericaOrnithischia

Styracosaurus ovatus

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Dinosaur: Styracosaurus ovatus

Cretaceous: 83.6–72.1 Ma
Type: Ceratops

Length*:6.1 m20.0 ft
Weight*:2.7 t5,952 lb
ESR: 2 / 4 (estimated size reliability)
*The largest known specimen



Sources

Material: 2 (?) partial skulls.
References: Wilson JP, Ryan MJ, Evans DC. (2020). A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the 'Styracosaurus-line' dinosaurs.

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