Earth's Geologic Timeline

By sherlocked

  • Cambrain Period:570-500 MYA

    Cambrain Period:570-500 MYA
    Earliest marine life. Trilobites dominate.

  • Ordovician Period:500m-435 MYA

    Ordovician Period:500m-435 MYA
    Earliest fish and invertebrates are dominant.

  • Silurian Period:435-395 MYA

    Silurian Period:435-395 MYA
    Earliest terrestial plants and tiktaaliks.

  • Devonian Period:396-345 MYA

    Devonian Period:396-345 MYA
    Earliest amphibians and new species of fish.

  • Carboniferous Period:345-280 MYA

    Carboniferous Period:345-280 MYA
    Abundant amphibians and earliest reptiles.

  • Permian Period:280-225 MYA

    Permian Period:280-225 MYA
    Extinction fo trilobites and many marine animals.

  • Triassic Period:225-195 MYA

    Triassic Period:225-195 MYA
    Earliest dinosaurs.

  • Jurassic Period:195-136 MYA

    Jurassic Period:195-136 MYA
    Abundant dinosaurs and earliest mammals.

  • Cretaceous Period:136-65 MYA

    Cretaceous Period:136-65 MYA
    Earliest flowering plants and the climax of dinosaurs and their extinction.

  • Tertiary Period: 65-1.8 MYA

    Tertiary Period: 65-1.8 MYA
    Earliest placental mammals and modern mammals.

  • Quaternary Period: 1.8-present day

    Quaternary Period: 1.8-present day
    Large carnivores and humans emerge.