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Earliest record of marine life, Trilobites are dominant.
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Echinoderms, invertebrates are dominant, mollusks become abundant. Earliest fish that are jawless and later, jawes and armored fish.
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Earliest terrestrial plants 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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Abundamnt sharks and amphibians. Large swamps and coal forming forrests. Earliest reptiles scale trees and seed ferns
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Extinction of many types of marine animals including trilobites.
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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 dinosaurs followed by their extinction. Great decline of brachiopods. Abundance of bony fish- KT Extinction.
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Earliest placental mammals, modern mammals, large running mammals
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Large Carnivores, neanderthals, humans, mastodons.
