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	The Teeming Seas The Teeming Seas Shell Section Belemnite Hooks Octopus Ammonite Bed Shell Patterns Shell Shapes Suture Lines Cutaway Belemnites   Previous: Back to The Teeming Seas Book: Prehistoric Life Section: Prehistoric Chapter: The Teeming Seas