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Earliest marine life recorded. Abundant amount of Trilobites.
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Starfish, sand dollars, and jawed armor fish.
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Earliest terrestrial plants and animals.
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Armored fish go extinct.
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Abundant sharks and amphibians
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Extinction of many marine animals.
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Early dinosaurs. Cyads and Conifers.
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Earlleist birds and mammals. Abundant dionosaurs and ammonites.
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Climax of dinosaurs followed by the extinction of fish.
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non-avian dinosaurs in the Cretaceous–Tertiary extinction event,
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The climate was one of periodic glaciations with continental glaciers moving as far from the poles as 40 degrees latitude.
