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  1. Mei long, the famous troodontid in the sleeping position
  2. Artwork of a Tyrannosaurus rex dinosaur
  3. Comparing Saurischian and Ornithischian Pelvises
  4. A herd of Brachiosaurus travel near a canyon mountain
  5. Homo floresiensis
  6. Triceratops
  7. Megatherium, Extinct Ground Sloth
  8. Pachycephalosaurus
  9. Allosaurus
  10. A Herd Of Centrosaurus Dinosaurs
  11. Ceratosaurus
  12. Body Plans of Extinct Reptiles
  13. Stegosaurus
  14. Apatosaurus
  15. Hunting sabre-toothed cat
  16. Artist's concept depicting the evolution of a lobe-finned fish to an amphibian
  17. Euoplocephalus
  18. Brachiosaurus
  19. A Woolly Mammoth bursting out of a snowy, wooded backdrop
  20. Cretaceous life, artwork
  21. Callanish Standing Stones, Neolithic Monument, Isle Of Lewis, Outer Hebrides, Scotland
  22. Artwork of a sabre-toothed cat (Smilodon sp.)
  23. Mankind in the Making
  24. Allosaurus
  25. Neolithic hunters
  26. Mesohippus, Extinct Horse
  27. Coelophysis
  28. Newgrange, County Meath, Leinster, Republic of Ireland, Europe
  29. Paranthropus robustus
  30. Compsognathus
  31. Cryolophosaurus Dinosaurs Hunting For Prey In A Prehistoric Environment
  32. Cambrian invertebrate, artwork
  33. Australopithecus sediba head
  34. Woolly mammoth, 19th century artwork
  35. Cretaceous tree ferns, artwork
  36. Homo ergaster
  37. Ostracoderm (Ostracoderma), Fishlike Animal, Fossil
  38. 1824 Buckland's Megalosaurus jaw teeth
  39. Anglaspis is a heterostracan from the Early Devonian
  40. Eurhinosaurus longirostris swimming in prehistoric waters
  41. Skeleton Of The Megatherium
  42. Brontotherium, a family of extinct mammals
  43. Homo antecessor
  44. Early Earth, artwork
  45. Newgrange, County Meath, Leinster, Republic of Ireland (Eire), Europe
  46. Illustration of a Moschowhaitsia vjuschkovi
  47. Illustration of a Nikkasaurus tatarinovi