(pronounced pack-ih-SEF-ah-low-SAWR-ids) Pachycephalosaurs meaning thick head lizards) were plant-eating, thick-headed, short-armed, bipedal ornithischian dinosaurs from the late Cretaceous period . Pachycephalosaurus , Homalocephale , and Stegoceras were pachycephalosaurs. They are sometimes called bone-headed dinosaurs.
Found on
http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
Pachycephalosaurids These “boneheads” were strange bipeds with thick skulls. These might have served as crash-helmets to protect the brain when rival males banged heads.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2727/25
No exact match found.
