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Period: 2678 BCE to 1481
Precambrian time
4,600 to 541 mya -
Period: 1481 to
Phanerozic
541 mya to present -
Period: 1481 to
Paleozoic era
541 to 252 mya -
Period: 1481 to 1537
Cambrian period
541 to 485 mya -
1482
Cambrian Period Organism
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1535
Cambrian Period Plant
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Period: 1537 to 1578
Ordovician period
485 to 444 mya -
1539
Ordovician period organisms
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1577
Ordovician period plants
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Period: 1578 to
Silurian period
444 to 419 mya -
1579
Silurian period organisms
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Silurian period plant
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Period: to
Devonian period
419 to 359 mya -
Devonian period organisms
-
Devonian period plants
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Period: to
Carboniferous period
359 to 299 mya -
Carboniferous period organisms
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Carboniferous period plants
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Period: to
Permian Period
299 to 252 mya -
Permian Period Organisms
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Permian Period plants
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Period: to
Mesozoic era
252 mya to 66 mya -
Period: to
Triassic Period
252 to 201 mya -
Triassic period organisms
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Triassic Period plants
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Period: to
Jurassic period
201 to 145 mya -
Period: to
Cretaceous period
145 mya to 66 mya -
Period: to
Cenozoic era
66 mya to present -
Period: to
Paleogene period
66 to 23 mya -
Period: to
Neogene period
23 to 2.58 mya -
Period: to
Quaternary period
2.58 mya to present