ammonites

Paleoproterozoic era

General information
Lower boundary: equal to 2500 Ma (see scale)
Upper boundary: equal to 1600 Ma (see scale)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Statherian
Previous intervals
  • Archean
  • Neoarchean
    • Next intervals
  • Mesoproterozoic
  • Stenian
  • Ectasian
  • Calymmian
    • Contains
  • Animikean, Huronian, Isuan, Orosirian, Randian, Rhyacian, Siderian, Statherian, Swazian
    • Shares base with
  • Proterozoic
    • Overlaps with
  • Riphean (1650.0 to 635.0 Ma)
  • Burzyan (1650.0 to 1350.0 Ma)
  • Early/Lower Imbrian (3850.0 to 1650.0 Ma)
  • Hadean (4560.0 to 1650.0 Ma)
    • Appears in scale
  • Gradstein 2: Eras (2004)

    • Interval name: