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Earliest Record of Marine life- Trilobites are dominant
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MEchinoderms ( Starfish, Sand dollar , sea urchin and seacucumbers). Invertebrates are dominant, mollusks becomeabundant. Earliest Fish that are Jawless and later, jawed andarmored 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. -
Abundant sharks and amphibians. Large swamps and coal forming
forests. Earliest reptiles. Scale trees and seed ferns -
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 -
Earliest flowering plants, climax of dinosaurs followed
by their extinction. Great decline of brachiopods.
Abundance of bony fish. -
Earliest Placental Mammals, modern mammals,
large running mammals -
Large Carnivores, Neanderthals, Humans,
mastodons
