CerapodaDinosauriaGenasauriaLate CretaceousMarginocephaliaNeornithischiaNorth AmericaOrnithischiaPachycephalosauriaPachycephalosauridae

Stegoceras validum

Dinosaur: Stegoceras validum

Type: Pachycephalosauria

Length*: 2.1 m 6.9 ft
Weight*: 47 kg 104 lb
*The largest known specimen

ESR: 3 / 4 (estimated size reliability)


Material: At least several dozen individuals (mostly skull fragments).
References: Sullivan, R. M. (2003). "Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae)".


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