suborder pachycephalosaurus | (n) boneheaded dinosaurs; late Cretaceous |
pachycephalosaur | (n) bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found, Syn. pachycephalosaurus |
パキケファロサウルス | [pakikefarosaurusu] (n) pachycephalosaurus [Add to Longdo] |