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.