Evolutionary Timeline

By sal3197
  • 120

    Appearance of flowering plants

  • Period: 150 to 200

    Jurassic Period

  • 202

    Fourth mass extincton

  • Period: 205 to 250

    Triassic Period

  • 240

    The fiirst dinasours and mammals

  • 250

    Third mass extinction

  • Period: 250 to

    Permian Period

  • 350

    Early reptiles

  • 360

    Second mass extinction

  • Period: 360 to 410

    Devonian Period

  • 370

    Early amphibians

  • 400

    Bony fishes become abundant.

  • 440

    First mass extinction

  • 440

    Plantsand anthropods invade land; jawed fishes first appear.

  • Period: 445 to 505

    Ordovician Period

  • 500

    Animal diversity abounds; first jawless fishes

  • Period: 500 to Jan 1, 600

    Cambrian Period

    Origin of all major animal phyla
  • Period: 500 to 525

    Ordovician Period

  • Period: 505 to 540

    Cambrian Period

  • 520

    Origin of all major animal phyla

  • Period: 525 to 540

    Precambrian Era

  • Period: Jan 23, 600 to

    Precambrian Era

  • Jan 1, 700

    Earliest multicellular organisms

  • Jan 1, 1000

    Diverse protists

  • Jan 1, 1500

    First eukaryotes

  • Jan 1, 1500

    Early eukaryotes

  • Appearance of Australopithecus

  • Mammals abundant on land

  • Major mammal groups evolve

  • Birds and mammals spread

  • Fifth mass extinction

  • Period: to 445

    Silurian Period

  • Period: to 360

    Carboniferous Period

  • Origin of O2 by photosynthesis

  • Earliest fossil bacteria