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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 swamps and coal forming forests. Earliest reptiles. Scale trees and seed ferns.
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Earliest flowering plants, climax of dinosaurs followed by their extinction. Great decline of brachiopods. Abundance of bony fish.
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Earliest birds and mammals abundant dinosaurs and ammonite
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Earliest Dinosaurs, abundant cycads and conifers
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Extinction of many types of marine animals including trilobites.
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Earliest terrestrial plants and animals. tiktaalik eurypterids develop
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Echinoderms and invertebrates are the dominant species.mollusks are abundant.Earliest Fish that are Jawless and later, jawed and armored fish.
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Earliest record of marine life
Trilobites are the dominant species -
Earliest Placental Mammals, modern mammals, large running mammals
