history of line on earth

By lsanchez2012
  • Archean era
    40,000 BCE

    Archean era

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

    Cryogenian period

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

    Ediacaran period

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

    Cambrian period

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

    Ordovician period

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

    Silurian period

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

    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.
  • Carboniferous period
    3540 BCE

    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.