Castlerigg Stone Circle; Kendal, Cumbria, England Smilodon sabertooth mother and her cubs Conybeare Plesiosaurus reconstruction T-Rex Fighting A Group Of Triceratops Artwork of a plesiosaur dinosaur hunting Skeleton of a Neanderthal compared with that of a modern human Artwork of a Tyrannosaurus rex dinosaur Evolution of man Rock art, Utah Front and side views of pelvis in chimpanzee, Australopithecus, and modern human 1824 Buckland's Megalosaurus limb bones Tyrannosaurus Woolly mammoths An Archaeopteryx stalks a dragonfly on a rock Cretaceous dinosaurs A Plesiopleurodon jumps out of the water, attacking an Ornithocheirus The increase in hominid cranial capacity over time Callanish Standing Stones, Neolithic Monument, Isle Of Lewis, Outer Hebrides, Scotland Jurassic landscape, artwork Dance, Mesolithic cave art Carboniferous insects, artwork Newgrange, County Meath, Leinster, Republic of Ireland, Europe Brachiosaurus Mesolithic cave art Human evolution, artwork Sabre-toothed cat on the prowl Europe, Ireland, Cork, Drombeg stone circle Aerial view of Avebury, Wiltshire, England, UK Prehistoric tree ferns, artwork Stages in female human evolution 1770 Cuvier Maastricht Mosasaur Neanderthals hunt a cave bear A Group Of Argentinosaurus Dinosaurs With Ornithocheirus Flying Overhead Pterodactylus Birds Cleaning The Mouth Of A Tyrannosaurus Rex Carboniferous landscape Archaeopteryx Full on view of a Woolly Mammoth Europe, Ireland, Cork, Drombeg stone circle Ellipsocephalus hoffi trilobite fossils Early stromatolites, artwork A large Meganeura dragonfly from the Carboniferous period Silurian landscape, artwork Deinonychus Australopithecus afarensis, artwork Petroglyphs on Potash Road, Moab, Utah Tarbosaurus Dinosaur, Profile View Microraptor gui eating a small fish Mei long, the famous troodontid in the sleeping position Page 1 Page 3