• 2016 BCE

    Paleozoic-Era

    There is very little plant life during this period.
  • 2016 BCE

    Paleozoic-Era

    First flowering plants appear- angiosperm
  • 2016 BCE

    Paleozoic-Era

    Nearly half of the valuable mineral deposits in the world occur in the rocks of this period.
  • 2016 BCE

    Paleozoic-Era

    Early reptiles resembling large lizards.
  • 2016 BCE

    Paleozoic-Era

    Shelled brachiopods appear.
  • 2016 BCE

    Paleozoic-Era

    Colonies of tiny invertebrates call graptolites flourished and vertebrates appear, fish did not have jaws or teeth and their bodies were covered with bony plates.
  • 2016 BCE

    Paleocene Epoch

    First primates evolve.
  • 2016 BCE

    Paleocene Epoch

    Species that did not evolve to survive extreme cold moved to warmer climate areas or became extinct (dire wolf & giant ground sloth)
  • 2016 BCE

    Pangea

    Himalayas develop due to uplifting caused by the Indian subcontinent and Eurasian continents colliding.
  • 2016 BCE

    Precambrian

    Giant Cockroaches appear.
  • 2016 BCE

    Permian Period

    Some scientists believe that human kind has caused mass extinctions of plant and animal species, polluted the oceans and altered the atmosphere.
  • 2016 BCE

    Permian Period

    Small rodents evolve.
  • 2016 BCE

    Mesozoic-Era

    Whoa those dinos are getting big & dominate the land- Lizard-hipped and bird-hipped appear- carnivores and herbivores have arrived.
  • 2016 BCE

    Carboniferous Period

    Swamps and forests cover the land.
  • 2016 BCE

    Carboniferous Period

    Coal deposits form.
  • 2016 BCE

    Cenozoic-Era

    Homosapien (modern humans) appeared & are hunters.
  • 2016 BCE

    Cenozoic-Era

    Many early mammal become extinct, clams and snails flourish.
  • 2016 BCE

    Cretaceous-Era

    Flying reptiles called pterosaurs are in the air now.
  • 2016 BCE

    Cretaceous-Era

    Impact Hypothesis- dinosaur mass extinction.
  • 2016 BCE

    Cretaceous-Era

    Environmental change causes mass extinction of sea invertebrates (trilobites & eurypterids) as the seas retreat.
  • 2016 BCE

    Devonian-Era

    Huge plants begin to develop, early amphibians form.
  • 2016 BCE

    Ordovician-Era

    Appalachian Mountains are created because of the collision of tectonic plates & savannahs form.
  • 2016 BCE

    Archaean-Era

    The presence of stromatolites indicates that shallow seas covered much of Earth during intervals in this period.
  • 2016 BCE

    Messinian-Era

    Mediterranean Sea dries up and refills several times due to tectonic forces and dropping sea levels.
  • 2016 BCE

    Early Cambrian Period

    Trilobites appear.
  • 2016 BCE

    Eocene Period

    Ages of fishes, fish that can breath out of the water and spend time on land form.
  • 2016 BCE

    Late Eocene Period

    First modern horses appear.
  • 2016 BCE

    Silurian Period

    Eurypterids (sea scorpions), sea stars and coral become more common.
  • 2016 BCE

    Silurian Period

    Vascular land plants and animals, such as scorpions begin to evolve on land.
  • 2016 BCE

    Bronze/ Iron-Age(s)

    Modern human developed agriculture and used tools made of bronze and iron.
  • 2016 BCE

    Triassic Period

    Welcome to the world of the Dinosaur! Enter the squirrel sized dinosaur & the first5 forest dwelling mammals appear.
  • 2016 BCE

    Triassic Period

    Ichthyosaurus are living in the ocean, new invertebrates call ammonite develop.
  • 2016 BCE

    Huronian Epoch

    Antarctic icecaps begin to form.
  • 2016 BCE

    Genomic-Era

    Various species migrated between continents across land bridges.
  • 2016 BCE

    Genomic-Era

    The last glacial ended and sea levels rose, Great Lakes formed.
  • 2016 BCE

    Ice-Age

    World wide temperatures drop about 4 degrees celsius (39.2 degrees Fahrenheit)
  • Early Modern Epoch

    There is argument as to when this epoch began, some scientist think it began with industrial age in the early 1800's other think it began with the atomic age in the 1950's.
  • Period: to

    Melanie Pizzutti Oliveira > P3

    Geological Time Scale
  • Gestation-Era

    Flying squirrels, whales and bats appear.