Geological time

By Tarja GM
  • 541 BCE

    Cambrian

    Diversity of marine life and appearance of invertebrate marine animals with external skeletons (arthropods)
  • Period: 541 BCE to 252 BCE

    Palaeozoic

    First terrestrial animal and plant life, dispersal of marine algae, first invertebrates and vertebrates, first extinctions and first amphibians.
  • 485 BCE

    Ordovician

    wisdespread marine algae and first fish without jaws.
  • 444 BCE

    Silurian

    The first land plants.
  • 419 BCE

    Devinian

    first diversity and first amphibians.
  • 359 BCE

    Carboniferus

    Forest of gigant ferm, the first reptiles and pangea form.
  • 299 BCE

    Permian

    Reptiles diversity and pangaea form
  • 252 BCE

    Triassic

    The first dinosaurs and mammals and the Earth's greatest extiction occurs Pangaea forms.
  • Period: 252 BCE to 66 BCE

    Mesozoic

    The first flying and aquatic reptiles, the first birds,the first dinosaurs the first mamals,the first plants with flowers and extiction of dinosaurs and ammonites.
  • 201 BCE

    Jurassic

    Gymnosperm plants dominate the Earth's surface, first flying and acuatic reptiles and first birds.
  • 145 BCE

    Cretaceous

    The first plants with flowers, extincion of dinosaurs and ammonites, A large rise in sea level on Earth and a large rise in sea level on Earth.
  • 66 BCE

    Tertiary

    Development and diversification of mammals and alpine orogeny begins and massive extinction from a meteorite impact.
  • Period: 66 BCE to 1550

    Cenozoic

    Massive extinction from meteorite impact, development and diversification of animals.
  • 2 BCE

    Quaternary

    Glacial in the Northem Hemisphere