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Earliest Record of marine life.
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Invertebrates are dominant. Mollusks become abundunt, Earliest fish are jawless, and later jawed and armored fish.
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Earliest terrestrial plants and animals.
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Armored fish go extinct. Abundance of several species of fish.
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abundant sharks and amphibians. Large swamps and coal forming forests.
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extinction of many types of marine life such as trilobites
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earliest dinosaurs, abundant cyads and conifers.
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Earliest birds and mammals abundant dinosaurs and ammonites.
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Earliest flowering plants, climax of dinosaurs following their extinction. Great decline of brachiopods. Abundance of bony fish.
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Earliest placental mammals, modern mammals, large running animals.
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large carnivors and, neanderthals, humans, and mastodons.
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