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Devonian |
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Devonian Geology of, denoting, or formed in the fourth period of the Palaeozoic era, between the Silurian and Carboniferous periods, lasting 60–70 million years during which amphibians first appeared Devonian [di′vō·nē·ən] (geology) The fourth period of the Paleozoic Era, covering the geological time span between about 412 and 354 × 106years before present. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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