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  1. Timeline of Dinosaurs
  2. Bull head in the Cave of Lascaux, France
  3. A humorous view of the reverse evolution of man
  4. Early Stone Implements
  5. Tentative phylogenetic scheme for hominid species
  6. Andalgalornis steulleti, a flightless predatory bird
  7. An Archaeopteryx stalks a dragonfly on a rock
  8. Sabre-toothed cat on the prowl
  9. Neanderthals hunt a cave bear
  10. Tarbosaurus Dinosaur, Profile View
  11. Microraptor gui eating a small fish
  12. Comparing Saurischian and Ornithischian Pelvises
  13. Triceratops
  14. Artist's concept depicting the evolution of a lobe-finned fish to an amphibian
  15. A Woolly Mammoth bursting out of a snowy, wooded backdrop
  16. Mankind in the Making
  17. Cryolophosaurus Dinosaurs Hunting For Prey In A Prehistoric Environment
  18. Italy, Sardinia, Cabras, Archaeological Museum, Giant Of Monte Prama Statue
  19. Ostracoderm (Ostracoderma), Fishlike Animal, Fossil
  20. Skeleton Of The Megatherium
  21. Illustration of a Nikkasaurus tatarinovi