History of our planet

By Guillermo Luis
  • Period: 4600 BCE to 541 BCE

    Precambrian

    Guide fossil: Stromatolites.
    Geological event: Formation of the lithosphere.
    Climate event: The end of this era coincide with intense glaciations.
    Type of enviroment: Aquatic.
  • 1st life forms 4:10
    3800 BCE

    1st life forms 4:10

    They were procariotic and eucariotic life forms and they live in water.
  • 1st most complex life forms 9:07
    550 BCE

    1st most complex life forms 9:07

    Appear the soft-body animals in aquatic eviroments.
  • Great explosion of life 21:10
    541 BCE

    Great explosion of life 21:10

    Expansion of the animal live in the oceans and colonization of the land.
  • Period: 541 BCE to 252 BCE

    Palaeozoic

    Guide fossil: Trilobite.
    Geological event: Formation of Pangea.
    Climate event: Global Warming.
    Type of enviroment: Aquatic and terrestrial.
  • Age of the fish 21:37
    443 BCE

    Age of the fish 21:37

    The fish appeared and they experimented a important expansion.
  • First terrestrial plants (gymnosperms) 21:48
    400 BCE

    First terrestrial plants (gymnosperms) 21:48

    The first plants colonised the land. They were plants without flowers (gymnosperms).
  • Amphibian age 22:13
    365 BCE

    Amphibian age 22:13

    The amphibians appeared and they had a great expansion. They live in water and in land.
  • Age of the reptile 22:43
    270 BCE

    Age of the reptile 22:43

    The reptiles appeared, later, the big reptiles dominated aquatic and terrestrials enviroments.
  • Period: 252 BCE to 66 BCE

    Mesozoic

    Guide fossil: Ammonites.
    Geological event: Fracturation of Pangea.
    Climate event: There were glaciations.
    Type of enviroment: Aquatic and terrestrial.
  • 1st angiosperms 23:22
    140 BCE

    1st angiosperms 23:22

    Appeared the first plants with flowers (angiosperms).
  • Age of the birds 23:39
    66 BCE

    Age of the birds 23:39

    The birds appeared and they had a important expansion. The birds came to the theropods, a group of carnivorous dinosaurs.
  • Period: 66 BCE to

    Cenozoic

    Guide fossil: Nummulites.
    Geological event: Formation of the polar ice caps.
    Climate event: There were cold periods and hot periods
    Type of enviroment: Aquatic and terrestrial.
  • 1st hominids 23:53
    2 BCE

    1st hominids 23:53

    The first hominids appeared in Africa.
  • 1st Homo sapiens 23:59
    1 BCE

    1st Homo sapiens 23:59

    The first hominids evolved and they became into Homo sapiens.