ammonites

Castlemainian age/stage

General information
Lower boundary: equal to 472 Ma (see scale)
Upper boundary: equal to 468.9 Ma (see scale)
Continent: Australia
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
10 million year bin: Ordovician 2
Contained within
  • Cassinian
  • Arenigian
  • Dawan
  • Daobaowan
  • Ningkuo
  • Yushanian
  • Valhallan
  • Arenig
  • Klabava
  • Yangtzi
  • Jefferson
  • Hunjiang
  • Canadian
  • Jeffersonian
  • Oeland
  • Ordovician
  • Paleozoic
  • Phanerozoic
    • Previous interval
  • Chewtonian
    • Next interval
  • Yapeenian
    • Overlaps with
  • Whiterockian (471.8 to 457.5 Ma)
  • Middle Ordovician (471.8 to 460.9 Ma)
  • Fennian (471.8 to 466.0 Ma)
  • Valaste (471.8 to 466.0 Ma)
  • Hunderum (471.8 to 466.0 Ma)
  • Volkhov (471.8 to 468.1 Ma)
  • Rangerian (471.8 to 468.1 Ma)
  • Langevoja (471.8 to 468.1 Ma)
  • Vaana (471.8 to 468.1 Ma)
  • Saka (471.8 to 468.1 Ma)
  • Volkhovian (471.8 to 468.1 Ma)
  • early Middle Ordovician (471.8 to 468.1 Ma)
  • Dapingian (471.8 to 468.1 Ma)
  • Blackhillsian (478.6 to 471.8 Ma)
  • Whitlandian (478.6 to 471.8 Ma)
  • Moridunian (478.6 to 471.8 Ma)
  • Billingen (478.6 to 471.8 Ma)
  • Latorpian (478.6 to 471.8 Ma)
  • late Early Ordovician (478.6 to 471.8 Ma)
  • Floian (478.6 to 471.8 Ma)
  • Latorp (484.5 to 471.8 Ma)
  • Hunneberg (484.5 to 471.8 Ma)
  • Early/Lower Ordovician (488.3 to 471.8 Ma)
  • Ibexian (488.3 to 471.8 Ma)
  • Tulean (488.3 to 471.8 Ma)
    • Appears in scales
  • Gradstein Cambrian-Middle Ordovician of Australasia (2004)
  • Webby 1998 Australasian Tremadocian and Arenigian Stages (1998)

    • Interval name: