KnowraMarginocephaliaLinked fromLinked fromThe 2 pages that link to Marginocephalia, each with the reason it gives.All 2Related 1Narrower topic 1PachycephalosauriaNarrower topic: This grouping unites pachycephalosaurs with their close relatives, the ceratopsians.PachycephalosaurusRelated: This broader group links its lineage to horned dinosaurs through shared skull-margin features.