Geological Time Line- Landman

  • Precambrian Time 4600 MYA

    Precambrian Time 4600 MYA
    The earth formed from planetary nebula. oldest age-dated rocks on earth. Fossil algae and stromatolites(prokaryotes). Fossil evidence of bacteria. Fossil evidence of cells with a nucleus. First multi-celled organisms (seaweed and algae. oldest marine worms and jellyfish.
  • Period: to

    Geological Time Scale in One Calender Year

  • Oragin of Life (first Cell) 3900 MYA

    Oragin of Life (first Cell) 3900 MYA
    3900 million years ago
  • Prokaryotes 3600 MYA

    Prokaryotes 3600 MYA
  • Eukaryotes 2100 MYA

    Eukaryotes  2100 MYA
  • Paloezoic era 544 MYA

    Paloezoic era 544 MYA
  • Cambrian Period 544 MYA

    Cambrian Period 544 MYA
    Burgess Shale anlimals. Animals with a notochord
  • Ordovician period 544 MYA

    Ordovician period 544 MYA
    first fish. first fossil evidence of land plants
  • Silurian period 438 MYA

    Silurian period 438 MYA
    first vascular land plant. oldest lung fish fossil.
  • Devonian period 408 MYA

    Devonian period 408 MYA
    oldest fossil evidence of mosses. first insect. first lobe-finned fish. first land animals. first sharks. first seed plant.
  • MIssissippian Period 360 MYA

    MIssissippian Period 360 MYA
    First possible reptiles.
  • Pennsylvanian Period

    Pennsylvanian Period
    Permain system begins. Snail backed reptiles (Dimetrodon). End of paleozoic. 96% of all life on earth parishes
  • Mesozoic ERa "The age of reptiles" 245 MYA

    Mesozoic ERa "The age of reptiles" 245 MYA
  • Triassic Period 245 MYA

    Triassic Period 245 MYA
    First crocodiles. First dinosaurs. First mammals (shrew like). First turtles.
  • Jurassic Period 208 MYA

    Jurassic Period 208 MYA
    Dilophosaurus, early dinosaur. First bird - Archeopteryx. Apatosaurus and Brachiosaurus. Stegosaurus.
  • Cretaceous Period 144 MYA

    Cretaceous Period 144 MYA
    First flowering plant. Duck-billed dinosaurs. Protoceratops. Tyrannosaurus rex. Velociraptor> End of Mesozoic, probaly metor and comet impact.
  • Cenozoic Era- The age of mammals- 65 MYA

    Cenozoic Era- The age of mammals- 65 MYA
  • Teriary Period 65 MYA

    Teriary Period 65 MYA
    First ancestors of dogs and cats 64 MYA. Grasses Become widespread-60 MYA. First ancestors of pigs and deer 57 MYA. First Horses - 55 MYA. First ancestors of rabbits 45 MYA. First monkeys - 39 MYA. oldest Human like ancestor (hominids) -4 MYA.
  • Quaternary Period 2 MYA

    Quaternary Period 2 MYA
    First ice age -1 MYA. Oldest direct Human-ancestor fossil, Homo Habilis - 1 MYA. First modern man, Homo sapiens - 0.1 MYA. Mammoth and mastodon bones - .05 MYA. Revolutionary war -235 years ago. World war II- 70 Years ago.