Tierra

24-hour scale model of the Earth's history

By laauracabrera
  • 2

    First Homo sapiens 23:59

    First Homo sapiens 23:59
    Our specie appeared.
  • 20

    First hominids 23:53

    First hominids 23:53
    First anthropoid primates appeared. There were different species; Australopithecus, Homo habilis, Homo erectus and Homo neanderthalensis
  • Period: 66 to 1 CE

    Cenozoic

    Guide fossil: Numulites. Geological events: Continental separation until forming the actual continents. The formation of the mountain range of the Andes finish. Climate events: Ice age
  • 110

    Age of the birds 23:39

    Age of the birds 23:39
    The birds were the dominant specie.
  • 120

    First angiosperms 23:22

    First angiosperms 23:22
    First plants with flower appeared and the 4th massive extinction occurred.
  • 240

    First dinosaurs and mammals 22:44

    First dinosaurs and mammals 22:44
    First dinosaurs and mammals appeared. The dinosaurs were the dominant specie.
  • 245

    Age of the reptiles 22:43

    Age of the reptiles 22:43
    The reptiles were the dominant specie.
  • Period: 245 to 66

    Mesozoic

    Guide fossil: Ammonites Geological events: Fracturation of Pangea and possible impact of a meteorite. Climate events: The temperature increased
  • 340

    Amphibian age 22:13

    Amphibian age 22:13
    The animals conquered the terrestrial environment for the first time.
  • 420

    First terrestrial plants (gymnosperms) 21:48

    First terrestrial plants (gymnosperms) 21:48
    Colonization of the terrestrial environment. They didn't have flower and they were ferns.
  • 455

    Age of the fish 21:37

    Age of the fish 21:37
    First fishes without jaw appeared.
  • 500

    Great explosion of life 9:10

    Great explosion of life 9:10
    The sea fauna increased, hundreds of fishes, molluscs, corals etc, appeared
  • 540

    First most complex life forms 9:07

    First most complex life forms 9:07
    First invertebrates appeared like jellyfishes or sea sponges.
  • Period: 540 to 245

    Palaeozoic

    Guide fossil: Trilobites Geological events: Fracturation of Pannotia, mountain ranges arise, masive volcanic activity and formation of Pangea Climate events: glaciation of the Ordovician and Carboniferous

  • First life forms 4:10

    First life forms 4:10
    First life forms appeared. They were prokaryotic cells.
  • Period: to 540

    Precambrian

    Guide fossil: Stromatolites Geological events: formation of the litosphere, hidrosphere and atmosphere. Formation of Rodinia and Pannotia. Fracturation of Rodinia. Climate events: Global glaciation and concentration of oxygen in the atmosphere.