| Marginocephalia 
 
 includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs
 • Syn:
 suborder Marginocephalia, marginocephalian
 • Hypernyms:
 animal order
 • Member Holonyms:
 Ornithischia, order Ornithischia
 • Member Meronyms:
 suborder Pachycephalosaurus, Ceratopsia, suborder Ceratopsia
 
 
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