Relationships
References
• Sternberg CM (1945) "Pachycephalosauridae proposed for dome-headed dinosaurs, Stegoceras lambei, n. sp., described". Journal of Paleontology, 19(5): 534-538
• Brett-Surman, Holtz and Farlow (2012) "The Complete Dinosaur: Second Edition".
• Peterson JE, Dischler C and Longrich NR (2013) "Distributions of Cranial Pathologies Provide Evidence for Head-Butting in Dome-Headed Dinosaurs (Pachycephalosauridae)". PLoS ONE 8(7): e68620. DOI: 10.1371/journal.pone.0068620