-
nounincludes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs
Similar:
type of:
Definition that contains marginocephalian
- 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)