Pachycephalosauria
Thick-headed lizards
Parent: Ornithischia
Bipedal herbivorous dinosaurs with thick dome-shaped skulls. The thickened skull roof may have been used in head-butting contests or species recognition displays.
Thick-headed lizards
Parent: Ornithischia
Bipedal herbivorous dinosaurs with thick dome-shaped skulls. The thickened skull roof may have been used in head-butting contests or species recognition displays.