Corys Geologic Timeline

By ProdigyDGFL

  • Cambrian 570-500 MYA

    Cambrian 570-500 MYA
    The earliest form of life, a triloite, is the dominant animal.

  • Ordovician 500-435 MYA

    Ordovician 500-435 MYA
    There are animals like the starfish, sand dollar, sea archin, and the sea cucumber. Although the invertebrates are still dominant and the mollusks become abundant. Fish begin to show up, they start off jawless but develop jaws and armor over time.

  • Silurian 435-395 MYA

    The earliest terrestial plants an animals are developing. The Tilktaalik Eurypterids develops.

  • Devonian 395-345 MYA

    Devonian 395-345 MYA
    The armored fish go extinct but many other fish types eveolve

  • Carbonferous 354-280 MYA

    Carbonferous 354-280 MYA
    Sharks and amphibians are abundant. Earliest reptiles, scale trees, and seed ferns. Large swamps and coal forming forests.

  • Triassic 225-195 MYA

    The earliest dinosaurs show up now. Abundant Cyads and Conifers.

  • Permian 280-225 MYA

    Permian 280-225 MYA
    Extinction of Trilobites including many other types of marine animals

  • Jursassic 195-135 MYA

    Jursassic 195-135 MYA
    Abundant dinosaurs and ammonities. Earliest birds and mammals.

  • Cretaceous 136-65 MYA

    Cretaceous 136-65 MYA
    Abundance of bony fish. Earliest flowering plants, climax of the dinosaurs followed by their extinction. Huge decline of brachiopods.

  • Tertiary 65-1.8 MYA

    Tertiary 65-1.8 MYA
    Earliest placental mammals, moderns mammals, large running mammals.

  • Quaternary present-1.8 MYA

    Quaternary present-1.8 MYA
    Large carnivores, neanderthals, humans, mastodons.