Geologic Timeline

By bowdimat
  • Cambrian Period 570-500 MYA
    570 BCE

    Cambrian Period 570-500 MYA

    This is the first geologic time period of the Paleozoic Era and the period lasted for about 53 million years.
  • Period: 544 BCE to 245 BCE

    Paleozoic Era

  • ordovician period 488-443 MYA
    488 BCE

    ordovician period 488-443 MYA

    In this period there was a huge variety of marine life and primitive plants began to appear.
  • Period: 225 BCE to 66 BCE

    Mesozoic Era

  • Jurassic period 201-145 MYA
    145 BCE

    Jurassic period 201-145 MYA

    In this period this is the second geological period of the Mesozoic Era and dinosaurs first appeared in this time.
  • cretaceous period 145-65 MYA
    65 BCE

    cretaceous period 145-65 MYA

    This period was the longest period of the Mesozoic Era and it followed the Jurassic Period.
  • Tertiary period 65-2.5 MYA
    65 BCE

    Tertiary period 65-2.5 MYA

    This is the age of large mammals like mammoths or the giant sloth.
  • Period: 65 BCE to 2 BCE

    Cenozoic Era

  • Devonian period 419-358 MYA
    60 BCE

    Devonian period 419-358 MYA

    In this period land living vertebrates appeared during this period which means animals that had a spine.
  • Carboniferous period 358-298 MYA
    60 BCE

    Carboniferous period 358-298 MYA

    Famous for its large swamps at this period.
  • Triassic Period 251-201 MYA
    50 BCE

    Triassic Period 251-201 MYA

    This was the beginning of the earliest mammals.
  • Permian period 298-251 MYA
    46 BCE

    Permian period 298-251 MYA

    largest mass extinction on earth from the supercontinent pangea splitting.
  • Silurian period 443-416 MYA
    24 BCE

    Silurian period 443-416 MYA

    underwater life thrived during the Silurian period.
  • Quaternary period 2.588 MYA-11.7 TYA
    1 BCE

    Quaternary period 2.588 MYA-11.7 TYA

    In this period there was an ice age and large mammals still existed at this time.