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Earliest marine life recorded. Abundant amount of Trilobites.
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Shallow seas covered large area of the world, lichen-like plants had begun to adapt themselves to life on land.
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Cephalopods diversified to a variety of shapes and sizes.
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During the Devonian Period, which occurred in the Paleozoic era, the first fish evolved legs and started to walk on land as tetrapods around 365 Ma.
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The Carboniferous was a time of glaciation, low sea level and mountain building; a minor marine extinction event occurred in the middle of the period.
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It is the last period of the Paleozoic Era and famous for its ending epoch event, the largest mass extinction known to science.
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During the Triassic, both marine and continental life show an adaptive radiation beginning from the starkly impoverished biosphere that followed the Permian-Triassic extinction.
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The start of the period is marked by the major Triassic–Jurassic extinction event. However the end of the Jurassic Period did not witness any major extinction event.
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The Cretaceous was a period with a relatively warm climate and high eustatic sea level. The oceans and seas were populated with now extinct marine reptiles, ammonites and rudists; and the land by dinosaurs.
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