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  1. Cave Painting Of Bison At Altamira
  2. Timeline of Dinosaurs
  3. Spinosaur
  4. A Megalodon shark from the Cenozoic Era
  5. A humorous view of the reverse evolution of man
  6. Dino Volcano
  7. Sauropods II
  8. A rabbit witnesses a herd of mammoths in a snowy forest
  9. A pair of Dodo birds play a game of hide-and-seek
  10. Woolly Mammoth
  11. A Pair Of Carnotaurus Dinosaurs Chasing A Group Of Gasparinisaura
  12. Tyrannosaurus
  13. Andalgalornis steulleti, a flightless predatory bird
  14. An Archaeopteryx stalks a dragonfly on a rock
  15. A Plesiopleurodon jumps out of the water, attacking an Ornithocheirus
  16. Sabre-toothed cat on the prowl
  17. Neanderthals hunt a cave bear
  18. Archaeopteryx
  19. Full on view of a Woolly Mammoth
  20. Tarbosaurus Dinosaur, Profile View
  21. A pair of juvenile troodons in the hollow of a tree
  22. Microraptor gui eating a small fish
  23. Brachiosaurus Herd On The Move
  24. Comparing Saurischian and Ornithischian Pelvises
  25. A herd of Brachiosaurus travel near a canyon mountain
  26. Triceratops
  27. Allosaurus
  28. Ceratosaurus
  29. Apatosaurus
  30. Artist's concept depicting the evolution of a lobe-finned fish to an amphibian
  31. Euoplocephalus
  32. A Woolly Mammoth bursting out of a snowy, wooded backdrop
  33. Brachiosaurus
  34. Coelophysis
  35. Cryolophosaurus Dinosaurs Hunting For Prey In A Prehistoric Environment
  36. Compsognathus
  37. Ostracoderm (Ostracoderma), Fishlike Animal, Fossil
  38. Brontotherium, a family of extinct mammals
  39. Illustration of a Nikkasaurus tatarinovi