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nounincludes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs
Similar:
type of:
Definition that contains marginocephalia
- ornithischia extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
- order ornithischia extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)