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Cenozoic History Timeline

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Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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1. Cats evolve.
34 Ma
40 Ma
24 Ma
35 Ma

2. Whales return to the water.
60 Ma
0.35 Ma
49 Ma
4.8 Ma

3. First thylacinid marsupials evolve.
33 Ma
15 Ma
40 Ma
0.64 Ma

4. First bats.
0.35 Ma
52 Ma
1.7 Ma
4.5 Ma

5. Homo heidelbergensis evolves.
2.5 Ma
1.2 Ma
20 Ma
0.6 Ma

6. The mammoth appears.
0.3 Ma
0.5 Ma
10 Ma
4.8 Ma

7. Cats evolve.
34 Ma
10 Ma
5.4-6.3 Ma
0.35 Ma

8. Pliocene epoch begins.First tree sloths and hippopotami.First large vultures. Nimravids go extinct.
37 Ma
28 Ma
63 Ma
5 Ma

9. Grasslands first appear. Glyptodonts - ground sloths - peccaries - dogs - eagles - and hawks evolve.
0.3 Ma
6.5 Ma
35 Ma
1.2 Ma

10. Age of the Catarrhini parvorder; first canines evolve. Lepidopteran insects become recognizable. Gastornis goes extinct. Basilosaurus evolves.
1.2 Ma
40 Ma
6.5 Ma
1.7 Ma

11. Neogene period and Miocene epoch begin
2.5 Ma
5 Ma
24 Ma
25 Ma

12. Giraffes and giant anteaters evolve.
28 Ma
20 Ma
30 Ma
60 Ma

13. current ice age begins
5 Ma
2.5 Ma
2.6 Ma
4.5 Ma

14. Neogene period and Miocene epoch begin
35 Ma
24 Ma
28 Ma
1.5 Ma

15. End of Eocene - start of Oligocene epoch.
36 Ma
56 Ma
4.5 Ma
49 Ma

16. The island of theIndian subcontinent collides with Asia - thrusting up the Himalayas and the Tibetan Plateau. Many modern bird groups appear.First whale ancestors.First rodents - lagomorphs - armadillos - sirenians - proboscideans - perissodactyls -
2.5 Ma
52 Ma
55 Ma
63 Ma

17. Paranthropus evolve.
4.5 Ma
50 Ma
36 Ma
2.7 Ma

18. Evolution of the first primates and miacids. Flightless birds diversify.
5.4-6.3 Ma
40 Ma
0.7 Ma
60 Ma

19. Age of the Catarrhini parvorder; first canines evolve. Lepidopteran insects become recognizable. Gastornis goes extinct. Basilosaurus evolves.
34 Ma
0.3 Ma
40 Ma
49 Ma

20. Whales return to the water.
49 Ma
5 Ma
3 Ma
36 Ma

21. Australopithecines go extinct.
4.8 Ma
6.5 Ma
1.2 Ma
1.7 Ma

22. Australopithecines diversify.
1.7 Ma
24 Ma
0.64 Ma
6 Ma

23. Middle Paleolithic begins. Appearance of Homo sapiens in Africa
1.5 Ma
50 Ma
34 Ma
0.2 Ma

24. Estimated age of the Hominidae/Hylobatidae (great apes vs. gibbons) split.
18-12 Ma
4.5 Ma
24 Ma
40 Ma

25. Homo antecessor evolves. Paranthropus dies out.
1.2 Ma
3 Ma
35 Ma
18-12 Ma

26. Neanderthals evolve.
50 Ma
6 Ma
36 Ma
0.35 Ma

27. First bats.
34 Ma
0.35 Ma
52 Ma
5.4-6.3 Ma

28. Yellowstone caldera erupts
0.64 Ma
10 Ma
52 Ma
33 Ma

29. Estimated age of the Homo/Pan (human vs. chimpanzee) split.
5.4-6.3 Ma
15 Ma
37 Ma
49 Ma

30. Appearance of the genus Australopithecus
0.64 Ma
4.5 Ma
3 Ma
28 Ma

31. Pliocene epoch begins.First tree sloths and hippopotami.First large vultures. Nimravids go extinct.
5 Ma
55 Ma
30 Ma
28 Ma

32. last reversal of the earth's magnetic field
0.7 Ma
35 Ma
2.7 Ma
15 Ma

33. Emergence of the first true elephants.
26 Ma
63 Ma
0.79 Ma
34 Ma

34. First deer.
2.6 Ma
50 Ma
25 Ma
1.5 Ma

35. Gastornis evolves.
60 Ma
49 Ma
56 Ma
5 Ma

36. Isthmus of Panama joins North and South America. Great AmericanInterchange.
34 Ma
49 Ma
49 Ma
3 Ma

37. Brontotheres go extinct. Pigs evolve. South America separates from Antarctica - becoming an island continent.
5.4-6.3 Ma
30 Ma
5 Ma
2.7 Ma

38. Approximate age of Canis lupus. Middle Stone Age begins in Africa. Gigantopithecus evolves.
0.3 Ma
0.7 Ma
18-12 Ma
25 Ma

39. First mastodons - bovids - and kangaroos. Australian megafauna diversify.
6 Ma
15 Ma
2.5 Ma
0.7 Ma

40. Estimated age of the Hominidae/Hylobatidae (great apes vs. gibbons) split.
18-12 Ma
4.8 Ma
1.2 Ma
26 Ma

41. Earliest demonstrable evidence of the controlled use of fire by Homo erectus
0.3 Ma
0.79 Ma
0.6 Ma
5.4-6.3 Ma

42. Paraceratherium evolves.
30 Ma
36 Ma
0.64 Ma
28 Ma

43. The mammoth appears.
37 Ma
55 Ma
24 Ma
4.8 Ma

44. Earliest possible evidence of the controlled use of fire by Homo erectus
0.35 Ma
20 Ma
1.5 Ma
55 Ma

45. start of the Pleistocene epoch - the Stone Age and the current Quaternary period; emergence of the genus Homo. Smilodon - the best known of the sabre-toothed cats - appears.
2.5 Ma
2.6 Ma
4.5 Ma
6 Ma

46. last reversal of the earth's magnetic field
4.8 Ma
0.7 Ma
0.79 Ma
40 Ma

47. The island of theIndian subcontinent collides with Asia - thrusting up the Himalayas and the Tibetan Plateau. Many modern bird groups appear.First whale ancestors.First rodents - lagomorphs - armadillos - sirenians - proboscideans - perissodactyls -
36 Ma
33 Ma
5 Ma
55 Ma

48. Yellowstone caldera erupts
0.64 Ma
4.8 Ma
49 Ma
28 Ma

49. Homo heidelbergensis evolves.
0.6 Ma
3 Ma
6.5 Ma
56 Ma

50. Giraffes and giant anteaters evolve.
0.79 Ma
35 Ma
4.8 Ma
20 Ma

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Cenozoic History Timeline

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