history of line on earth

By lsanchez2012
  • 40,000 BCE

    Archean era

    Archean era
    Formerly known as Archeozoic, is a division of the geological time scale
  • 8500 BCE

    Cryogenian period

    Cryogenian period
    The glaciers spread and receded into a series of rhythmic pulses, possibly reaching the equator.
  • 6350 BCE

    Ediacaran period

    Ediacaran period
    Is the third and last geological period of the Neoproterozoic Era.
  • 5450 BCE

    Cambrian period

    Cambrian period
    Is the first of the six periods or series of the Paleozoic Era, also called Primary Era
  • 4950 BCE

    Ordovician period

    Ordovician period
    Is the first period and series of the Ordovician, second period and system of the Paleozoic.
  • 4430 BCE

    Silurian period

    Silurian period
    It is the first period and series of the Ordovician, second period and system of the Paleozoic.
  • 4170 BCE

    Devonian period

    Devonian period
    Its name comes from Devon, a county located in the peninsula of Cornwall, in the southwest of England, where the devonian rocks are common.
  • 3540 BCE

    Carboniferous period

    Carboniferous period
    The carboniferous name means "coal bearer" and derives from the Latin words carbō and ferō, and was coined by geologists William Conybeare and William Phillips in 1822.