Geological time

By ainaradalmonte
  • Period: 541 BCE to 552 BCE

    PALEOZOIC ERA

  • Period: 541 BCE to 485 BCE

    Cambrian

  • 500 BCE

    The arthropods

    The arthropods
    Marine invertebrates with external skeletons
  • Period: 485 BCE to 444 BCE

    Ordovician

  • 460 BCE

    Marine algae

    Marine algae
    And fishes without jaws
  • Period: 444 BCE to 419 BCE

    Silurian

  • 430 BCE

    First land plants

    First land plants
  • Period: 419 BCE to 359 BCE

    Devonian

  • 385 BCE

    First amphibians

    First amphibians
    Fish diversity
  • Period: 359 BCE to 299 BCE

    Carboniferous

  • 320 BCE

    First reptiles

    First reptiles
    And forest of gigants ferns
  • Period: 299 BCE to 252 BCE

    Permian

  • 270 BCE

    Reptile diversity

    Reptile diversity
  • Period: 252 BCE to 66 BCE

    MESOZOIC ERA

  • Period: 252 BCE to 201 BCE

    Triassic

  • 225 BCE

    First dinosaurs

    First dinosaurs
    And first mammals
  • Period: 201 BCE to 145 BCE

    Jurassic

  • 170 BCE

    First birds

    First birds
    First flying and aquatic reptiles, gymosperm plants dominate the earth's surface
  • Period: 145 BCE to 66 BCE

    Cretaceous

  • 100 BCE

    Extinction of dinosaurs and ammonites

    Extinction of dinosaurs and ammonites
    and the first plants with flowers
  • Period: 66 BCE to 50

    CENOZOIC ERA

  • Period: 66 BCE to 2 BCE

    Tertiary

  • 35 BCE

    Development and diversification of mammals

    Development and diversification of mammals
    And glaciation in the nothern hemisphere
  • Period: 2 BCE to 10

    Quaternary