1824 Buckland's Megalosaurus limb bones Front and side views of pelvis in chimpanzee, Australopithecus, and modern human Artist's concept depicting the evolution of a lobe-finned fish to an amphibian A Woolly Mammoth bursting out of a snowy, wooded backdrop Woolly Mammoth Ernst Haeckel Map Lemuria Human Origins Artwork of a Maiasaura dinosaur Early Stone Implements An Archaeopteryx stalks a dragonfly on a rock Euoplocephalus Triceratops Brachiosaurus Carboniferous insects, artwork Early stromatolites, artwork Castlerigg Stone Circle; Kendal, Cumbria, England Silurian landscape, artwork Homo ergaster A pair of juvenile troodons in the hollow of a tree Aerial view of Avebury, Wiltshire, England, UK Australopithecus sediba head Archaeopteryx Tyrannosaurus Megatherium, Extinct Ground Sloth Full on view of a Woolly Mammoth Smilodon sabertooth mother and her cubs Brachiosaurus Carboniferous landscape Homo floresiensis Woolly mammoth, 19th century artwork Conybeare Plesiosaurus reconstruction Cambrian invertebrate, artwork Newgrange, County Meath, Leinster, Republic of Ireland, Europe Petroglyphs on Potash Road, Moab, Utah Jurassic landscape, artwork Early Earth, artwork Stages in female human evolution Prehistoric tree ferns, artwork Apatosaurus Ceratosaurus Coelophysis Sabre-toothed cat on the prowl Body Plans of Extinct Reptiles T-Rex Fighting A Group Of Triceratops A Pair Of Carnotaurus Dinosaurs Chasing A Group Of Gasparinisaura Dilophosaurus Wetherilii Dinosaurs A Group Of Argentinosaurus Dinosaurs With Ornithocheirus Flying Overhead Callanish Standing Stones, Neolithic Monument, Isle Of Lewis, Outer Hebrides, Scotland Cryolophosaurus Dinosaurs Hunting For Prey In A Prehistoric Environment Page 1 Page 2 Page 4