Pachycephalosaurus has a big, thick dome on its head, and it's got some little bumps on the back of its head, and it's got a bunch of gnarly things on the end of its nose.
Pachicefalozauras turi didelę, storą kupolo formą ant galvos ir kelis mažus iškilumus ant pakaušio, ir keletą gumbų and nosies galo.