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  1. Artwork of a Tyrannosaurus rex dinosaur
  2. Triceratops
  3. Allosaurus
  4. Megatherium, Extinct Ground Sloth
  5. Ellipsocephalus hoffi trilobite fossils
  6. Pachycephalosaurus
  7. Ceratosaurus
  8. Mankind in the Making
  9. Homo floresiensis
  10. Artist's concept depicting the evolution of a lobe-finned fish to an amphibian
  11. Body Plans of Extinct Reptiles
  12. A Woolly Mammoth bursting out of a snowy, wooded backdrop
  13. Apatosaurus
  14. Hunting sabre-toothed cat
  15. Brachiosaurus
  16. Euoplocephalus
  17. Tarbosaurus Dinosaur, Profile View
  18. Carboniferous insects, artwork
  19. Microraptor gui eating a small fish
  20. T-Rex Fighting A Group Of Triceratops
  21. Coelophysis
  22. Paranthropus robustus
  23. Pterodactylus Birds Cleaning The Mouth Of A Tyrannosaurus Rex
  24. Newgrange, County Meath, Leinster, Republic of Ireland (Eire), Europe
  25. Brachiosaurus Herd On The Move
  26. A Herd Of Centrosaurus Dinosaurs
  27. Artwork of a sabre-toothed cat (Smilodon sp.)
  28. Early Earth, artwork
  29. Compsognathus
  30. Woolly mammoth, 19th century artwork
  31. Australopithecus sediba head
  32. Cambrian invertebrate, artwork
  33. Ostracoderm (Ostracoderma), Fishlike Animal, Fossil
  34. Homo ergaster
  35. 1824 Buckland's Megalosaurus jaw teeth
  36. Aerial view of Avebury, Wiltshire, England, UK
  37. Neolithic hunters
  38. Anglaspis is a heterostracan from the Early Devonian
  39. Eurhinosaurus longirostris swimming in prehistoric waters
  40. Brontotherium, a family of extinct mammals
  41. Homo antecessor
  42. Sabre-toothed cat on the prowl
  43. Mesohippus, Extinct Horse
  44. Cryolophosaurus Dinosaurs Hunting For Prey In A Prehistoric Environment
  45. Illustration of a Nikkasaurus tatarinovi
  46. Illustration of a Moschowhaitsia vjuschkovi