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The Paleozoic Era began about 540 million years ago and ended about 245 million years ago. Therefore, it lasted about 290 million years.

Sources: My Earth Science book and my great brain.

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13y ago

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How lond did the paleozoic era last?

The Paleozoic Era Lasted about 2799. You can add all the numbers of the: Permian, Carboniferous, Devonian, Silurian, Ordovician, and the Cambrian. Add all of there numbers of how long each era lasted. So that's how long the Paleozoic Era Lasted ("2799")


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