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The Devonian Period: The Age of Fish. The Devonian Period of the Paleozoic Era lasted from 417 million years ago to 354 million years ago. It is named for Devon, England where the old red sandstone of the Devonian was first studied.
The Devonian Period of the Paleozoic Era lasted from 417million  years ago to 345 million years ago the answer is *THE DEVONIAN PERIOD*