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Around 4,600-540 mya, precambrian covers almost 90% of the entire history world
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About 545-490 mya, there was a giant burstknown as the cambrian burst that changed evolutionary.
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Around 490-445 mya, during this period, the area of the north tropics was entirely ocean
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Around 445-415 mya, under water life thrive
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Around 415-355 mya, it is known ofn the age of fishes
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About 355-290 mya, famous for vasts and forest
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About 290-250 mya, extiction of under water life
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About 250-200 mya, dinosaurs came in
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Around 200-145 mya, super contenent pangea split apart
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About 145-65 mya, meoteorite strike and wiped out dinosaurs