Allosaurus Artwork of a sabre-toothed cat (Smilodon sp.) Sabre-toothed cat on the prowl Anglaspis is a heterostracan from the Early Devonian Stegosaurus Comparing Saurischian and Ornithischian Pelvises Homo antecessor Ellipsocephalus hoffi trilobite fossils Cretaceous life, artwork Mammals of the Pleistocene era A herd of Brachiosaurus travel near a canyon mountain Skeleton of a Neanderthal compared with that of a modern human Microraptor gui eating a small fish Compsognathus Mankind in the Making Front and side views of pelvis in chimpanzee, Australopithecus, and modern human Evolution of man Rock art, Utah Artist's concept depicting the evolution of a lobe-finned fish to an amphibian Mei long, the famous troodontid in the sleeping position 1824 Buckland's Megalosaurus jaw teeth The increase in hominid cranial capacity over time Illustration of a Moschowhaitsia vjuschkovi A Plesiopleurodon jumps out of the water, attacking an Ornithocheirus Ernst Haeckel Map Lemuria Human Origins Deinonychus Mesohippus, Extinct Horse An Archaeopteryx stalks a dragonfly on a rock Newgrange, County Meath, Leinster, Republic of Ireland (Eire), Europe Tentative phylogenetic scheme for hominid species Euoplocephalus Allosaurus Paranthropus robustus Mesolithic cave art Dance, Mesolithic cave art Triceratops Europe, Ireland, Cork, Drombeg stone circle Homo floresiensis Newspapr Rock Petroglyphs, Utah A humorous view of the reverse evolution of man Neanderthals hunt a cave bear Skeleton Of The Megatherium 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 Page 1 Page 3 Page 4