CerapodaDinosauriaGenasauriaLate CretaceousMarginocephaliaNeornithischiaNorth AmericaOrnithischiaPachycephalosauriaPachycephalosauridae

Hanssuesia sternbergi 

Dinosaur: Hanssuesia sternbergi 

Type: Pachycephalosauria

Length*: 2.15 m 7.1 ft
Weight*: 50 kg 110 lb
*The largest known specimen

ESR: 1.5 / 4 (estimated size reliability)


Material: Frontoparietal dome, referred at least several other individuals (also skull fragments).
References: Sullivan, R.M. (2006). "A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia)". Sullivan, R. M. (2003). Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae).


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