The paleozoic era 114661

Geology Timetoastie

By rendoisa
  • Cambrian 570-500 MYA
    570 BCE

    Cambrian 570-500 MYA

    Earliest record of Marine life. Trilobites. Fish. No life on land yet.
  • Ordovician 500-435 MYA
    500 BCE

    Ordovician 500-435 MYA

    Invertibrates dominant. Corals, mollusks, worms, primitive fish, and echinoderms (starfish).
  • Silurian 435-395 MYA
    435 BCE

    Silurian 435-395 MYA

    Plants & animals. Fish adapt to rivers and freshwater
  • Devonian 395-345 MYA
    395 BCE

    Devonian 395-345 MYA

    Fish spread across oceans. Amphibians. First forests.
  • Carboniferous 345-280 MYA
    345 BCE

    Carboniferous 345-280 MYA

    Swamps & sponge reefs. Winged insects and cockroaches.
  • Permian 280-225 MYA
    280 BCE

    Permian 280-225 MYA

    Amphibians. Cone-bearing plants (pine trees). Mass extinction wiping out 95% of all marine species and 50% of all animals
  • Triassic 225-195 MYA
    225 BCE

    Triassic 225-195 MYA

    Survivors of the Permian extinction populate land and oceans. Mammals, dinosaurs, and crocodiles appear.
  • Jurassic 195-136 MYA
    195 BCE

    Jurassic 195-136 MYA

    Dinosaurs dominate. Mammals are common but small. Feathered dinosaurs and birds. Ferns, cycads, and grasses.
  • Cretaceous 65-145 MYA
    65 BCE

    Cretaceous 65-145 MYA

    Still dinosaurs. Marsupials, modern sharks, bees, and butterflies. Flowering plants. Period ends with a bang (mass extinction).