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Earliest placental mammals , modern mammal, large running mammals
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Earliest flowering plants and brachiopods
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Earliest birds and mammals. Abundant dinosaurs and ammonites
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Earliest dinosaurs , abundant cycads and conifers
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Extinction of many types of marine life including trilobites
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Abundant sharks and amphibians. Large swamps an coal forming forests
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Armored fish go extinct besides a few other species of fish
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Earliest terrestrial plants and animals
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Invertebrates are dominant. Mollusks become abundant as well as fish (jawed and armored)
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Earliest record of marine life and trilobites are dominant
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Large carnivores, neanderthals, humans, mastodons
