Geological TimeScale Timeline Project

By EnochK
  • The Precambrian Period

    The Precambrian Period

    EVENT 1 Earth Forms slowly and becomes whole. EVENT 2 Fossils are rare and unique.
  • Period: to

    EKho7

    Geological Timescale
  • The Cambrian Period

    The Cambrian Period

    EVENT 1 First vertebrates appear.EVENT 2 Trilobites are common.
  • The Ordovician Period

    The Ordovician Period

    EVENT 1 Echinoderms appear. EVENT 2 Graptolites flourish.
  • The Silurian Period

    The Silurian Period

    EVENT 1 Eurypterids appear. EVENT 2 Animals appear.
  • The Devonian Period

    The Devonian Period

    EVENT 1 amphibians appear. EVENT 2 giant horses appear.
  • The Mississippian Period

    The Mississippian Period

    EVENT 1 amphibians flourish. EVENT 2 forest and swamps cover most land.
  • The Pennsylvanian Period

    The Pennsylvanian Period

    EVENT 1 giant cockroaches and dragonflies are common. EVENT 2 reptiles appear.
  • The Permian Period

    The Permian Period

    EVENT 1 Pangaea comes together. EVENT 2 mass extinctions mark the end of the Era.
  • The Triassic Period

    The Triassic Period

    EVENT 1 Dinosaurs appear. EVENT 2 ammonites are common.
  • The Jurassic Period

    The Jurassic Period

    EVENT 1 dinosaurs are the dominant life form. EVENT 2 Primitive birds and flying reptiles appear.
  • The Cretaceous Period

    The Cretaceous Period

    EVENT 1 Flowering plants and modern birds. EVENT 2 mass extinctions mark the end of the Mesozoic Era.
  • The Paleocene Period

    The Paleocene Period

    EVENT 1 age of mammals beings. EVENT 2 first primates appear.
  • The Eocene Period

    The Eocene Period

    EVENT 1 Horses, flying squirrels appear. EVENT 2 Bats and whales appear.
  • The Oligocene Period

    The Oligocene Period

    EVENT 1 Dear, pigs, camels appear. EVENT 2 cats and dogs appear.
  • The Miocene Period

    The Miocene Period

    EVENT 1 Grazing herds are abundant. EVENT 2 Raccoons and wolves appear.
  • The Pliocene Period

    The Pliocene Period

    EVENT 1 Large Carnivores appear. EVENT 2 Climatic cooling increased.
  • The Pleistocene epoch

    The Pleistocene epoch

    EVENT 1 woolly mammoths appear. EVENT 2 Rhinos and humans appear.
  • The Holocene Epoch

    The Holocene Epoch

    EVENT 1 the last glacial period ends. EVENT 2 Complex human societies develop.
  • The Anthropocene Period

    The Anthropocene Period

    EVENT 1 Nuclear tests. EVENT 2 domesticated chickens.