ammonites

Johvi subage/stage

General information
Lower boundary: after 457.5 Ma (based on Mohawkian)
Upper boundary: before 449.5 Ma (based on Caradoc)
Continent: Europe
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
Epoch: Late/Upper Ordovician
10 million year bin: Ordovician 4
Contained within
  • Late/Upper Ordovician
  • Aijiashan
  • Xiaoxita
  • Shikou
  • Ordovician
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Costonian
  • Liben
  • Black River
  • Chazy
  • Whiterockian
  • Aurelucian
  • Volfreyan
  • Dobrotivian
    • Next intervals
  • Ashgill
  • Cautleyan
  • Pusgillian
  • Kraluv Dvur
  • Pirgu
  • Richmond
  • Gamachian
  • Richmondian
  • Kralodvorian
  • Bolindian
  • Qiantianjiang
  • Wufeng
  • Chientangkiangian
  • Ashgillian
    • Contains
  • Actonian, Cheneyan, Marshbrookian, Rakvere, Woolstonian
    • Shares base with
  • Bohdalec, Burrellian, Harnagian, Kirkfield, Longvillian, Mohawkian, Oandu, Rockland, Sherman, Soudleyan, Vinice, Zahorany
    • Shares top with
  • Ashbyan, Berounian, Blackriveran, Caradoc, Caradocian, Chatfieldian, Eastonian, Edenian, Franklinian, Haljala, Hanjiang, Kirkfieldian, Kukruse, Late/Upper Llandeilo, Llandeilo, Maysvillian, Middle Llandeilo, Nabala, Neichiashanian, Onnian, Rocklandian, Shermanian, Streffordian, Trentonian, Turinian, Wildernessian
    • Overlaps with
  • Harju (452.0 to 443.7 Ma)
  • Vormsi (452.0 to 445.6 Ma)
  • Maysville (452.0 to 445.6 Ma)
  • Cincinnatian (452.5 to 443.7 Ma)
  • Rawtheyan (455.8 to 445.6 Ma)
  • middle Late Ordovician (455.8 to 445.6 Ma)
  • Katian (455.8 to 445.6 Ma)
  • Letna (460.9 to 455.8 Ma)
  • Keila (460.9 to 455.8 Ma)
  • Idavere (460.9 to 455.8 Ma)
  • early Late Ordovician (460.9 to 455.8 Ma)
  • Sandbian (460.9 to 455.8 Ma)
  • Gisbornian (460.9 to 456.1 Ma)
  • Viru (463.5 to 452.0 Ma)
    • Appears in scales
  • Webby 1998 Baltic Caradocian Substages (1998)
  • Harland Ordovician of Estonia (1990)

    • Interval name: