Late Devonian Extinction (4 март 438999999 г. до нашей эры – 1 июл 360000000 г. до нашей эры)
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Estimates propose that around 75% of species were lost. Trilobites, which survived the Ordovician-Silurian due to their hard exoskeletons, were nearly exterminated during this extinction. The nutrient rich waters resulted in mass amounts of algal blooms which depleted the seas of oxygen and therefore, animal life.
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The History Of Earth
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