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Period: 4600 BCE to 540 BCE
Precambric
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3800 BCE
1st life forms (4:10)
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540 BCE
1st most complex life forms: 21:07 pm
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Period: 540 BCE to 245 BCE
Paleozoic
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500 BCE
Great explosion of life: 21:10 pm
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455 BCE
Fish age 21:37
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420 BCE
First terrestrial plants (gymnosperms): 21:48
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360 BCE
Amphibian age 22:13
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245 BCE
Age of the reptiles: 22:43
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Period: 245 BCE to 66 BCE
Mesozoic
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240 BCE
1st dinosaurs and mammals: 22:44
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160 BCE
1st angiosperms: 23:22
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120 BCE
Age of the birds: 23:39
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Period: 66 BCE to 1 BCE
Cenozoic
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20 BCE
1st hominids: 23:53
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2 BCE
1st Homosapiens 23:59