ammonites

Mohawkian epoch

General information
Lower boundary: equal to 457.5 Ma (see scale)
Upper boundary: equal to 452.5 Ma (see scale)
Continent: North America
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
  • Caradoc
  • Late/Upper Llandeilo
  • Middle Llandeilo
  • Kukruse
  • Edenian
  • Trentonian
  • Wildernessian
  • Ashbyan
  • Chatfieldian
  • Turinian
  • Berounian
  • Hanjiang
  • Neichiashanian
  • Haljala
  • Caradocian
  • Franklinian
  • Kirkfieldian
  • Rocklandian
  • Shermanian
  • Blackriveran
  • Late/Upper Ordovician
  • Aijiashan
  • Xiaoxita
  • Shikou
  • Viru
  • Llandeilo
  • Ordovician
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Costonian
  • Liben
  • Black River
  • Chazy
  • Whiterockian
  • Aurelucian
  • Volfreyan
  • Dobrotivian
    • Next interval
  • Cincinnatian
    • Shares base with
  • Bohdalec, Burrellian, Harnagian, Johvi, Kirkfield, Longvillian, Oandu, Rockland, Sherman, Soudleyan, Vinice, Zahorany
    • Overlaps with
  • Rawtheyan (455.8 to 445.6 Ma)
  • middle Late Ordovician (455.8 to 445.6 Ma)
  • Katian (455.8 to 445.6 Ma)
  • Streffordian (455.8 to 449.5 Ma)
  • Actonian (455.8 to 452.0 Ma)
  • Marshbrookian (455.8 to 452.0 Ma)
  • Rakvere (455.8 to 452.0 Ma)
  • Cheneyan (455.8 to 452.0 Ma)
  • Woolstonian (455.8 to 452.0 Ma)
  • Eastonian (456.1 to 449.5 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)
    • Appears in scales
  • Webby et al. Ordovician of North America (2004)
  • Gradstein Cambro-Ordovician Series of Laurentia (2004)
  • Webby 1998 North American Series (1998)
  • Ross et al. 1982 North American Ordovician Series I (1982)

    • Interval name: