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Earliest record of marine life - Trilobites are dominant
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Echinoderms (starfish,sand dollar, sea urchin, sea cucumbers) Inverterbrates are dominant, mollusks become abundent. Earliest fish that are jawless and later. Jawed and armored fish
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Earliest terrestrial plants and animals. Tikaalik Eurypterids devlop
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Armored 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 reptiles. Scale trees and seed ferns
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Extinction of many types of marine animals including triolbites
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Earliest dinasour, abundent cyads and conifers
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Earliest birds and mammals abundants dinosours and ammonites
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Earliest flower plants
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Earliest placental mammals, modern mammals, large running mammals
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large carnivores, neanderthals, humans, mastodons
