ammonites

Ningkuo age/stage

General information
Lower boundary: after 478.6 Ma (based on Floian)
Upper boundary: equal to 468.1 Ma (based on Dapingian)
Continent: Asia
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
10 million year bin: Ordovician 2
Contained within
  • Arenigian
  • Yushanian
  • Valhallan
  • Oeland
  • Ordovician
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Tremadoc
  • Deming
  • Gasconadian
  • Tremadocian
  • Stairsian
  • Skullrockian
  • Migneintian
  • Cressagian
  • Warendian
  • Yichang
  • Lianghekou
  • Ichangian
  • Demingian
  • Ungurian
    • Next intervals
  • Kunda
  • Whiterock
  • Darriwilian
  • Llanvirnian
  • Guniu
  • Hulo
  • Zhejiangian
  • Chazyan
  • Marmor
    • Contains
  • Bendigonian, Castlemainian, Chewtonian
    • Shares base with
  • Arenig, Billingen, Blackhillsian, Floian, Klabava, Latorpian, Moridunian, Whitlandian, Yangtzi, late Early Ordovician
    • Shares top with
  • Canadian, Dapingian, Hunjiang, Jefferson, Jeffersonian, Langevoja, Rangerian, Saka, Vaana, Volkhov, Volkhovian, early Middle Ordovician
    • Overlaps with
  • Yapeenian (468.9 to 466.0 Ma)
  • 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)
  • Cassinian (478.6 to 468.1 Ma)
  • Dawan (478.6 to 468.1 Ma)
  • Daobaowan (478.6 to 468.1 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)
  • Lancefieldian (488.3 to 476.8 Ma)
    • Appears in scales
  • Gradstein Ordovician Stages of China (2004)
  • Webby 1998 Chinese Stages 2 (Wang et al. 1992) (1998)

    • Interval name: