Time line

By rubiii cen
  • Period: 4600 BCE to 540 BCE

    Precambrian

    Geological events: Climate events:
  • 3800 BCE

    First unicellular form

    First unicellular form
  • Period: 540 BCE to 250 BCE

    Paleozoic

    Geological events: Climate events:
  • 500 BCE

    First complex live form(Invertebrate)

    First complex live form(Invertebrate)
  • 400 BCE

    Fish age

    Fish age
  • Period: 255 BCE to 65 BCE

    Mesozoic

    Geological events: Climate events:
  • 150 BCE

    Land plants (Gimnosperms)

    Land plants (Gimnosperms)
  • Period: 65 BCE to 1 BCE

    Cenozoic

    Geological events: Climate events: