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  1. Timeline of Life on Earth
  2. Cave Painting Of Bison At Altamira
  3. Petroglyphs On Rock, Canyon De Chelly National Monument, Arizona, USA
  4. Bison, Altamira Caves, Spain, Paleolithic cave art
  5. Bull head in the Cave of Lascaux, France
  6. A humorous view of the reverse evolution of man
  7. Smilodon sabertooth mother and her cubs
  8. A pair of Dodo birds play a game of hide-and-seek
  9. Living Relatives of Dinoaurs
  10. Woolly Mammoth
  11. T-Rex Fighting A Group Of Triceratops
  12. Skeleton of a Neanderthal compared with that of a modern human
  13. Dance, Mesolithic cave art
  14. An Archaeopteryx stalks a dragonfly on a rock
  15. Mesolithic cave art
  16. Sabre-toothed cat on the prowl
  17. Neanderthals hunt a cave bear
  18. A Group Of Argentinosaurus Dinosaurs With Ornithocheirus Flying Overhead
  19. A large Meganeura dragonfly from the Carboniferous period
  20. Mei long, the famous troodontid in the sleeping position
  21. Pachycephalosaurus
  22. A herd of Brachiosaurus travel near a canyon mountain
  23. Megatherium, Extinct Ground Sloth
  24. Ceratosaurus
  25. A Woolly Mammoth bursting out of a snowy, wooded backdrop
  26. Mesohippus, Extinct Horse
  27. Brontotherium, a family of extinct mammals
  28. Illustration of a Moschowhaitsia vjuschkovi