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Paleozoic and Mesozoic


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Cambrian
542–488 mya
Ordovician
488–444 mya
Silurian
444–416 mya
Devonian
416–359 mya
Carboniferous
359–299 mya
Permian
299–251 mya
Triassic
250–200 mya
Jurassic
200–146 mya
Cretaceous
146–65 mya