ammonites

late Early Ordovician age/stage

General information
Lower boundary: equal to 478.6 Ma (based on Floian)
Upper boundary: equal to 471.8 Ma (based on Floian)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
Epoch: Early/Lower Ordovician
10 million year bin: Ordovician 2
Contained within
  • Jefferson
  • Hunjiang
  • Canadian
  • Jeffersonian
  • Oeland
  • Ordovician
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Tremadoc
  • Deming
  • Gasconadian
  • Tremadocian
  • Stairsian
  • Skullrockian
  • Migneintian
  • Cressagian
  • Warendian
  • Yichang
  • Lianghekou
  • Ichangian
  • Demingian
  • Ungurian
    • Next intervals
  • Middle Ordovician
  • Volkhov
  • Whiterockian
  • Rangerian
  • Fennian
  • Valaste
  • Hunderum
  • Langevoja
  • Vaana
  • Saka
  • Volkhovian
  • early Middle Ordovician
  • Dapingian
    • Equivalent to
  • Latorpian, Floian
    • Contains
  • Bendigonian, Billingen, Blackhillsian, Chewtonian, Moridunian, Whitlandian
    • Shares base with
  • Arenig, Arenigian, Cassinian, Daobaowan, Dawan, Klabava, Ningkuo, Valhallan, Yangtzi, Yushanian
    • Shares top with
  • Early/Lower Ordovician, Hunneberg, Ibexian, Latorp, Tulean
    • Overlaps with
  • Castlemainian (472.0 to 468.9 Ma)
  • Lancefieldian (488.3 to 476.8 Ma)
    • Appears in scales
  • Bergström et al. Ordovician Stages of Webby et al. (2006)
  • Gradstein 7: Stages (2004)
  • Webby et al. Ordovician Stages (2004)

    • Interval name: