Time Scale Explorer

    GS

    Geological Periods

    Cretaceous

    145 - 66 Ma

    Jurassic

    201 - 145 Ma

    Triassic

    252 - 201 Ma

    Permian

    299 - 252 Ma

    Carboniferous

    359 - 299 Ma

    Devonian

    419 - 359 Ma

    Silurian

    444 - 419 Ma

    Ordovician

    485 - 444 Ma

    Cambrian

    541 - 485 Ma

    Cretaceous Period
    145 - 66 million years ago
    Mesozoic Era

    The final period of the Mesozoic Era, characterized by a warm climate and high sea levels. It ended with the Cretaceous–Paleogene extinction event, which wiped out the non-avian dinosaurs.

    Key Events

    • Dominance of dinosaurs
    • Emergence of flowering plants
    • Mass extinction event

    Dominant Life Forms

    Tyrannosaurus rex
    Triceratops
    Velociraptor
    Magnolias
    Water lilies