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| Description: Phanerozoic encompasses 542 million years Divided into three eras Paleozoic Mesozoic Cenozoic Paleozoic era Dominated by continental collisions as Pangaea began to assemble Formed the Caledonian, Appalachian, and Ural Mountains Picture Stats: Views: 264 Filesize: 839.25kB Height: 873 Width: 638 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39635 |