Tierra

24-hour scale model of the Earth's history

  • First Homo sapiens  23:59
    2

    First Homo sapiens 23:59

    Our specie appeared.
  • First hominids  23:53
    20

    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
  • Age of the birds  23:39
    110

    Age of the birds 23:39

    The birds were the dominant specie.
  • First angiosperms  23:22
    120

    First angiosperms 23:22

    First plants with flower appeared and the 4th massive extinction occurred.
  • First dinosaurs and mammals  22:44
    240

    First dinosaurs and mammals 22:44

    First dinosaurs and mammals appeared. The dinosaurs were the dominant specie.
  • Age of the reptiles  22:43
    245

    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
  • Amphibian age  22:13
    340

    Amphibian age 22:13

    The animals conquered the terrestrial environment for the first time.
  • First terrestrial plants (gymnosperms)  21:48
    420

    First terrestrial plants (gymnosperms) 21:48

    Colonization of the terrestrial environment. They didn't have flower and they were ferns.
  • Age of the fish  21:37
    455

    Age of the fish 21:37

    First fishes without jaw appeared.
  • Great explosion of life  9:10
    500

    Great explosion of life 9:10

    The sea fauna increased, hundreds of fishes, molluscs, corals etc, appeared
  • First most complex life forms  9:07
    540

    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.