Geological Time Scale 1

• Carboniferous


  Pennsylvanian and Mississippian periods outside North America
• Paleozoic Periods


  Cambrian, Ordovician, Silurian, Devonian, Pennsylvanian, Mississippian, Permian
• Cenozoic Era


  Paleogene, Neogene, Quaternary
• MesozoicEra


  Triassic, Jurassic, Cretaceous
• Precambrian Eon


  Priscoan, Archean, Proterozoic
• Quaternary


  Pleistocene, Holocene
• Age of Holocene Epoch

  0.01 mya
• Age of Cenozoic Era

  65 mya
• Age of Mesozoic Era

  245 mya
• Age of Paleozoic Era

  543 mya
• Age of Precambrian Eon

  4600 mya