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Triolibites were dominent, and al of Earth was oceans with emerging of small granite contenints. All life was marine.
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Echinoderms (starfish, sand dollars, sea urchins and sea cucumbers) also invertebrates are dominant at this time, mollusks became abundant, the earliest fish that were jawless and later, jawed and armored fish.
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Earliest terrestrialplants and animals, tiktaalik eurypterids develop
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Armored fish go extinct, but abundance of several species of fish, earliest amphibians and ammonites
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abundant sharks and amphibians, large swamp and coal forming forests earliest reptiles, scale treess and seed ferns.
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Extenction of many types of marine animals including trilobites
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Earliest dinosaurs, abundant cycasand conifers
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earliest birds and mammals abundant dinosaurs and ammonites
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earliest floweing plants, climas of dinosaurs, followed bbu their extinction great decline of brachipods. abundance of bony fish
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earliest placental mammals, modern mammals, large runnong mammals.
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LArge carnivores, neanderthals, humans, mastodons
