Earth

History of Life on Earth

  • Marine Invertebrates
    Dec 1, 1000

    Marine Invertebrates

    This is when the fossil record shows the first appearances of Marine Invertibrates. 570 million years ago
  • Period: Dec 1, 1000 to Dec 1, 1325

    Paleozoic Era

  • Fish
    Dec 1, 1030

    Fish

    Evidence of the first fish from the fossil record tells us that they appeared on Earth about 440 million years ago
  • Amphibians
    Dec 1, 1170

    Amphibians

    Evidence of the first amphibians on Earth appears in the fossil record about 400 million years ago.
  • Insects
    Dec 1, 1210

    Insects

    The first Insects appear in the fossil record around 360 million years ago.
  • Reptiles
    Dec 1, 1220

    Reptiles

    The evidence of the first reptiles appears in the fossil record about 350 million years ago.
  • Period: Dec 1, 1325 to Dec 1, 1504

    Mesozoic Era

  • Dinosours
    Dec 1, 1362

    Dinosours

    Evidence of the first dinosaurs appears on the fossil record about 208 million years ago.
  • Mammals
    Dec 1, 1426

    Mammals

    The first mammal fossils seen are about 144 million years old.
  • Period: Dec 1, 1504 to

    Cenozoic Era

  • Humans
    Dec 1, 1570

    Humans

    There is evidence of the first modern humans evolving between 400,000 and 250,000 years ago