Middle+Paleozoic+Era[1]

Middle+Paleozoic+Era[1] - The Middle Paleozoic World...

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The Middle Paleozoic World
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359 Million years 416 Million years 444 Million years Devonian & Silurian Periods
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Middle Paleozoic Silurian Roderick Murchison Celtic tribe in Wales (Silures) Devonian Murchison and Adam Sedgewick Devon County England
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Renewal of Life Evolutionary radiation followed Ordovician mass extinction Diversity Brachiopods Bivalve mollusks *Trilobites did not recover fully
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Renewal of Life Coral-strome reefs flourished Greatest size in Devonian Ecologic succession corals colonized seafloor Other animals populated reef
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Renewal of Life Coral Reefs
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Renewal of Life Swimming animals originated Ammonoids Evolved from straight nautiloids (predators) in Early Devonian Widespread
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Renewal of Life
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Renewal of Life Eurypterids Swimming arthropods Relatives of scorpions Brackish and freshwater forms
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Fish Fish evolved First fully preserved specimens
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Fish Jawless fish Ostracoderms Bony skin Paired eyes Bony armor Hemicyclaspis Pteraspis
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Middle+Paleozoic+Era[1] - The Middle Paleozoic World...

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