Life on Earth Timeline

• 4500MILLION
  years ago Birth of the Earth

• 3800MILLION
  years ago Earliest Known Life

• 3400MILLION
  years ago Earliest Photosynthetic Bacteria

• 1600MILLION
  years ago Earliest Multicellular Life

• 850MILLION
  years ago Earliest Plants

• 750MILLION
  years ago Earliest Animals

• 575MILLION
  years ago Ediacaran Biota

• 540MILLION
  years ago Cambrian Explosion

• 340MILLION
  years ago Earliest Tetrapods

• 240MILLION
  years ago Dinosaurus

• 225MILLION
  years ago Mammals

• 85/55MILLION
  years ago Primates

• 20MILLION
  years ago Earliest Apes

• 6MILLION
  years ago Hominini

• 4MILLION
  years ago Australopithecus

• 2.5MILLION
  years ago Homo Habilis

• 200KYEARS
  ago         Homo Sapiens

• 0YEARS
  ago         Homo Developer