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Ms. Bray's class Geological Timeline

By jlb862
  • Cenozoic Era begins
    65

    Cenozoic Era begins

    End of the Mesozoic Era and beginning of the Cenozoic Era known as the Age of Mammals or current Era
  • Mesozoic Era begins
    245

    Mesozoic Era begins

    End of the Paleozoic Era and beginning of the Mesozoic Era often known as the age of the dinosaurs
  • Paleozoic Era begins
    541

    Paleozoic Era begins

    Beginning of the Paleozoic Era meaning "time of ancient life"

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