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Lepidosauria

By MiGirl88

  • Earth Forms

    Earth Forms

  • First Cells

    First Cells
    The first cells are dated back to 3900 million years ago

  • Prokaryotes

    Prokaryotes

  • Eukaryotes

    Eukaryotes

  • Jurrasic Period

    Jurrasic Period
    208 million years ago

  • Cretaceous Period

    Cretaceous Period
    When first Lepidosauria fossils were dated to145-65.6 million years ago. First flowering plants. Time of the tyranosaurus rex.

  • Titanoboa Cerrejonensis fossil

    Titanoboa Cerrejonensis fossil
    Fossil found in a Northeastern Colombia coal mine layer dating back to 65 million years ago