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Earliest placental mammals, modern mammals, large roaming mammals.
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Early flowering plants, climax of dinosaurs, followed by their extinction. Great extinction. Great decline of brachiopods. Abundance of bony fish.
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Earliest birds and mammals. Abundance of dinosaurs and ammonites.
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Earliest dinosaurs, abundance of cycads and conifers.
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Extinction of many types of marine animals.
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Abundant shark and amphibians. Large swamps and coal forming forest. Earliest reptiles. Scale trees and seed ferns.
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Armored fish go extinct, but abundance of several species of fish exist. Earliest amphibians and ammonites.
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Earliest terrestrial plants and animals, tiktaalik eurypterids develop.
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Invertebrates are dominant, mollusks become abundant, earliest fish that are jawless and later jawed and armored fish.
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Earliest record of marine life trilobites are dominant.
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Large carnivores/ neanderthals, mastodons.
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Humans, mass technology, education, ability to travel to space, cheeto for president.
