Gravitholus

- Pronunciation: GRA-vih-tho-luse
- Translation: Heavy Dome
- Order: Ornithischia
- Suborder: Marginocephalia
- Infraorder: Pachycephalosauria
- Family: Pachycephalosauridae
- Height: 6 feet (1.8 meters)
- Length: 9 feet (2.7 meters)
- Period: Late Cretaceous
- Description: Herbivore, Bipedal
- Notes: Gravitholus was discovered in Alberta, Canada. Its skullwas wider and thicker than Stegoceras.