Prehistoric Life Prehistoric Secrets in Stone The Earliest Fossils The Silurian Reef Trilobites Fish The Coal Forests Early Reptiles and Amphibians Sea Reptiles Flying Reptiles The Teeming Seas Hunting Dinosaurs Biggest Dinosaurs Two-Footed Plant Eaters Plated and Armoured Dinosaurs Horned Dinosaurs The Mammal Age Dawns Grassland Mammals The Ice Age	Choose a Page:Horned DinosaursBoneheadsTriceratopsPachyrhinosaurus*Centrosaurus*TorosaurusStyracosaurusChasmosaurusStegoceras Centrosaurus Some horned dinosaurs had just a single horn on the nose as well as a bony frill.   Previous: Back Book: Prehistoric Life Section: Prehistoric Chapter: Horned Dinosaurs