Linea del tiempo

By elpotro
  • Period: 4600 BCE to 575 BCE

    Precambrian( 4.200mya-575mya)

    Geological Events: first ocean (160º), Early evolution of the earth
    Climate Events: Oxygen is created and the first globalization
  • 4200 BCE

    First ocean

    First ocean
    The first ocean (almost as we know it because it was at 160º) formed the majority of the planet
  • 4200 BCE

    Created the oxigen

    Created the oxigen
    Oxygen is created as we know it, just like the oxidizing atmosphere.
  • 3800 BCE

    Appearance of the first forms of life

    Appearance of the first forms of life
    The appearance of the first life forms was composed mainly of cynobacteria
  • 520 BCE

    GUIDE FOSSIL: Trilobites

    GUIDE FOSSIL: Trilobites
  • 520 BCE

    First arthropods, predators

    First arthropods, predators
    The first arthropods and predators appear throughout the world, thus causing the origin of the food pyramid
  • Period: 520 BCE to 260 BCE

    Paleozoic

    Geological Events: formation of pangea, Large-scale forest development
    Climate Events: glaciation
  • 480 BCE

    EXTINCION MASIVA

  • 444 BCE

    Firts plants(gimnospermas)

    Firts plants(gimnospermas)
    The first plants appear all over the world
  • 400 BCE

    First vertebrades(Age of Fish)

    First vertebrades(Age of Fish)
    The first vertebrates appear, which would mainly be the first predators
  • 400 BCE

    EXTINSION MASIVA

  • 360 BCE

    First insects and first reptiles

    First insects and first reptiles
    Appearance of insects (mosquitoes) and reptiles around the world
  • 360 BCE

    Age of forests and amphibians

    Age of forests and amphibians
    Forests appear and spread incredibly quickly throughout the world, just like amphibians.
  • 280 BCE

    EXTINCION MASIVA

  • 252 BCE

    EXTINSION MASIVA

  • 250 BCE

    GUIDE FOSSIL: Amonites and Belenites

    GUIDE FOSSIL: Amonites and Belenites
  • Period: 250 BCE to 65 BCE

    Mesozoic

    Geological Events:Fracture of Pangea
    Climate Events:Large amounts of C02
    Biological Events: Appearance of the dinosaurs
  • 220 BCE

    Appearance of dinosaurs and expansion of ammonites and belenites

    Appearance of dinosaurs and expansion of ammonites and belenites
    Dinosaurs and guide fossils from this period expand to be the main forms of life
  • 145 BCE

    Appearance of the Birds (Terrors Birds)

    Appearance of the Birds (Terrors Birds)
    The appearances of birds including the terror birds, which were very large and aggressive birds which were predators of many species. But there were almost none
  • 68 BCE

    Appearance of Anginosperms

    Appearance of Anginosperms
    The anginosperms were very prominent plants in the mezosoic and therefore the most important because they are very similar to those we have today
  • 67 BCE

    EXTINCION MASIVA

    EXTINCION MASIVA
  • 40 BCE

    Age of birds

    Age of birds
    In the age of birds there were many predators but among them we can highlight the Terros birds, which are very large and strong birds.
  • Period: 40 BCE to 1 BCE

    Cenazoic

    Geological Events: Lowering of sea level
    Climate Events: A lot of freezing and lowering of sea level
    Biological Events:First hominids
  • 12 BCE

    Former advisors of homo sapiens

    Former advisors of homo sapiens
    The previous advisors of homo sapiens (Homo herectus, previous advisor) etc.
  • 4 BCE

    GUIDE FOSSIL: estromatolites

    GUIDE FOSSIL: estromatolites
  • 1 BCE

    The Homo sapiens

    The Homo sapiens
    Homo sapiens appears, until now, the most mentally advanced form of life, managing to build monuments, create religions, question the universe and investigate it, create and discover fire, chemical reactions and electricity and other inventions such as discovering the history of planet earth from which this work is