Geologic Timeline-NIya

By xavioniy
  • 500 BCE

    Cambrian Period 570-500 MYA

    Cambrian Period 570-500 MYA
  • 500 BCE

    Ordovician Period 500 MYA

    Ordovician Period 500 MYA
    echinoderms
    invertebrates
    earliest fish (abundant)
  • 435 BCE

    Silurian Period 435 MYA

    Silurian Period 435 MYA
    Earliest terrestrial plants and animals
  • 395 BCE

    Devonian Period 395 MYA

    Devonian Period 395 MYA
    armored fish extinct
    earliest amphibians and ammonites
  • 345 BCE

    Carboniferous 345 Period MYA

    Carboniferous 345 Period MYA
    abundant sharks and amphibians
    Large swamp lands
    coal-forming forests
    earliesgt reptiles
    scale trees & seed ferns
  • 280 BCE

    Permian Period 280 MYA

    Permian Period 280 MYA
    Volcanic eruptions ( 1st mass extinction )
    95% al species extinct ( including trilobites)
  • 225 BCE

    Triassic Period 225 MYA

    Triassic Period 225 MYA
    earliest dinosaurs
    abundant cycads and conifers
  • 195 BCE

    Jurassic Period 195 MYA

    Jurassic Period 195 MYA
    earliest birds & mammals
    abundant dinosaurs & ammonites
  • 136 BCE

    Cretaceous Period 136 MYA

    Cretaceous Period 136 MYA
    earliest flowering plants
    climax of dinosaurs
    decline o/ brachiopods
    abundance o/ bony fish
    meteor extinction (65%)
  • 65 BCE

    Tertiary Period 65 MYA

    Tertiary Period 65 MYA
    earliest placental mammals & large running
  • 1 BCE

    Quaternary Period 1.8 MYA- Present

    Quaternary Period 1.8 MYA- Present
    Large carnivores
    Neanderthals
    mastodons