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