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Earlist record of marine life - Trilobites are dominant
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Echinoderms (Starfish, sand dollar, sea urchin and sea cucmbers) invertebrates are dominat, mollusks become abudant. earliest fish that are jawless and later, jawed and amrored fish,
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earlist terrestrial plants and animals. Tikaalik eurypterids develop
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Amored fish go extinct, but abundance of several speices of fish.
ealiest amphibian and ammonites. -
abundant sharks and amphibians. large swamps and coal formin forest. earliest reptiles. scales trees and send ferns
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extinciton of many types of marine animals including trilbites
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earliest Dinosaurs, abundant cycads and conifers
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Earliest Birds and mammals abundant dinosaurs and ammonites
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Earliest flowering plants, climax of dino follwed by thier extinction. Great decline of brachiopods abundance of bony fish.
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Earliest Placental Mammals, Morden Mammals, Large running Mammals
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Large Carnivores, Neanderthals, Humans, Mastodons
