Torosaurus
- Pronunciation: TOR-uh-SAWR-us
- Translation: Protuberance Lizard
- Order: Ornithischia
- Suborder: Marginocephalia
- Infraorder: Ceratopsia
- Family: Ceratopsidae
- Height: 8 feet (2.4 meters)
- Weight: 9,900 - 18,000 pounds
- Length: 20.3 feet (6.2 meters)
- Period: Late Cretaceous
- Description: Herbivore, Quadrupedal
- Notes: While Torosaurus has been found in Montana, SouthDakota, Utah, Wyoming, Texas, New Mexico, and Canada,it is a fairly uncommon dinosaur. It had the largest skull of anyland animal that ever lived, measuring almost nine feet. The lastand most advanced of the horned dinosaurs, Torosaurus had nose horn and a large brow horn that pointed forward. Behindthe brow horn, the huge smooth crest extended back almostfive feet.