TIMELINE

Eras

Paleozoic

542000000 BC - 251000000 BC

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Cenozoic

65500000 BC - 2013 AD

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Paleozoic

Cambrian

542000000 BC - 488000000 bc

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Ordovician

488000000 BC - 444000000 BC

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Silurian

444000000 BC - 416000000 BC

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Devonion

416000000 BC - 359000000 BC

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Carboniferous

359000000 BC - 300000000 BC

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Permian

300000000 BC - 251000000 BC

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Mesozoic

Triassic

251000000 BC - 200000000 BC

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Jurassic

200000000 BC - 145500000 BC

Cretaceous

145500000 BC - 65500000 BC

Cenozoic

Paleogene (Paleocene/Eocene/Oligocene)

65500000 BC - 23000000 BC

Neogene (Miocene/Pliocene)

23000000 BC - 2588000 BC

Quaternary (Pleistocene/Holocene)

2588000 BC - 2013 AD