earth geologic timeline

By honestyexcellenceattitude

  • cambrian

    cambrian
    Earliest marine life, trilobites dominate

  • Ordovician

    Ordovician
    ). Invertebrates are dominant

  • Silurian

    Silurian
    Earliest terrestrial plants and animals

  • Devonian

    Devonian
    Earliest amphibians and ammonites

  • Carboniferous

    Carboniferous
    Earliest reptiles to live on earth

  • Permian

    Permian
    Many marine animals are dead inculding trilobites

  • Triassic

    Triassic
    Earliest Dinosaurs

  • Jurassic

    Jurassic
    Amazing life prosperd

  • Cretaceous

    Cretaceous
    The K-T exstinction

  • tertiary

    tertiary
    Earliest mammals

  • quaternary

    quaternary
    Humans came to being