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this is the earliest Record of Marine life- Trilobites are dominant.
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invertebrates are dominant, mollusks become abundant. earliest fish that are jawless and later, jawed and ammored fish.
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Earliest terrestrial plants and animals.
tiktaalik evrypterids develop. -
Amored fish go extinct, but abundance of several species of fish. earliest amphibians and ammonites.
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abundent sharks and amphibians. large swamps and coal forming forests. earliest reptials
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extinction of many types of marine animals including trilobites.
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earliest dinosaurs, abundent cycades and conifers.
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earliest birds and mammals abundent dinnosaurs and ammonties.
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earliest flowering plants, climax of dinosaurs fallowed by there extinction. great decline of branchiopods. abundance of bony fish.
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earliest plavental mammels, modern mammels, large running mammels.
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large carnivores, neanderthals, humans, mastodons.
