ammonites

Proterozoic eon

General information
Lower boundary: equal to 2500 Ma (based on Paleoproterozoic)
Upper boundary: equal to 542 Ma (based on Early/Lower Cambrian)
Continent: global
See collections within this interval
See map of collections within this interval
Previous intervals
  • Archean
  • Neoarchean
    • Next intervals
  • Paleozoic
  • Cambrian
  • Manykaian
  • Phanerozoic
  • Early/Lower Cambrian
  • Nemakit-Daldynian
  • Meishucunian
  • Jinnigian
  • Begadean
  • Placentian
  • Diandongian
    • Contains
  • , Animikean, Burzyan, Calymmian, Cryogenian, Ectasian, Huronian, Isuan, Karatau, Mesoproterozoic, Mortensnes, Nyborg, Randian, Riphean, Smalfjord, Stenian, Sturtian, Swazian, Tonian, Varanger, Wonokan, Yurmatin
    • Shares base with
  • Orosirian, Paleoproterozoic, Rhyacian, Siderian, Statherian
    • Shares top with
  • Ediacara, Ediacaran, Neoproterozoic, Sinian, Vendian
    • Overlaps with
  • Poundian (580.0 to 530.0 Ma)
  • Early/Lower Imbrian (3850.0 to 1650.0 Ma)
  • Hadean (4560.0 to 1650.0 Ma)
    • Appears in scale
  • Gradstein 1: Eons (2004)

    • Interval name: