The Changes and Development in the Devonian Era (1358 words, 2 pages)
Late Paleozoic is divided into the Devonian, Carboniferous and Permian periods, which lasted 170 million years in a total. The sediments of these periods compose appropriate systems, which together form the Upper Paleozoic subgroup. Devonian sediments were first described in the English county of Devon. Devonian period, in turn, is ...
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