Ernst Haeckel Map Lemuria Human Origins Euoplocephalus Homo ergaster Triceratops Illustration of a Nikkasaurus tatarinovi Front and side views of pelvis in chimpanzee, Australopithecus, and modern human Microraptor gui eating a small fish Australopithecus sediba head Artist's concept depicting the evolution of a lobe-finned fish to an amphibian Artwork of a sabre-toothed cat (Smilodon sp.) Anglaspis is a heterostracan from the Early Devonian Australopithecus afarensis, artwork Tentative phylogenetic scheme for hominid species Prehistoric tree ferns, artwork Early Earth, artwork Cretaceous dinosaurs Brachiosaurus Body Plans of Extinct Reptiles Newgrange, County Meath, Leinster, Republic of Ireland (Eire), Europe Mei long, the famous troodontid in the sleeping position A Plesiopleurodon jumps out of the water, attacking an Ornithocheirus Cambrian invertebrate, artwork Deinonychus Mesohippus, Extinct Horse Jurassic landscape, artwork Silurian landscape, artwork Carboniferous landscape Paranthropus robustus Archaeopteryx Tyrannosaurus Megatherium, Extinct Ground Sloth Full on view of a Woolly Mammoth Smilodon sabertooth mother and her cubs Mesolithic cave art Cretaceous tree ferns, artwork Rock art, Utah Dance, Mesolithic cave art A pair of Dodo birds play a game of hide-and-seek Compsognathus Sabre-toothed cat on the prowl Allosaurus Mammals of the Pleistocene era Homo floresiensis Woolly mammoth, 19th century artwork Europe, Ireland, Cork, Drombeg stone circle A Woolly Mammoth bursting out of a snowy, wooded backdrop Newgrange, County Meath, Leinster, Republic of Ireland, Europe Petroglyphs on Potash Road, Moab, Utah Page 1 Page 3 Page 4