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:Flying ReptilesComplete SkeletonFur*Wing Finger*WingsBonesReconstructionGiant PterosaurDifferent Heads Wing Finger The bones of the fourth finger, which supported the wing, were as thick as those of the arm.   Previous: Back Book: Prehistoric Life Section: Prehistoric Chapter: Flying Reptiles