ammonites

Chazy age/stage

General information
Lower boundary: after 466 Ma (based on Llanvirn)
Upper boundary: before 457.5 Ma (based on Whiterockian)
Continent: Europe
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
Contained within
  • Ordovician
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Arenig
  • Klabava
  • Fennian
  • Yapeenian
  • Valaste
  • Hunderum
    • Next intervals
  • Longvillian
  • Soudleyan
  • Harnagian
  • Bohdalec
  • Zahorany
  • Vinice
  • Oandu
  • Johvi
  • Sherman
  • Kirkfield
  • Rockland
  • Mohawkian
  • Burrellian
    • Contains
  • Aseri, Lasnamagi, Late/Upper Llanvirn
    • Shares base with
  • Abereiddian, Aluoja, Dobrotiva, Early/Lower Llandeilo, Early/Lower Llanvirn, Llandeilian, Llandeilo, Llanvirn, Oretanian, Sarka, Uhaku
    • Shares top with
  • Aurelucian, Black River, Costonian, Dobrotivian, Liben, Volfreyan, Whiterockian
    • Overlaps with
  • Late/Upper Ordovician (460.9 to 443.7 Ma)
  • Aijiashan (460.9 to 443.7 Ma)
  • Xiaoxita (460.9 to 443.7 Ma)
  • Shikou (460.9 to 443.7 Ma)
  • Caradoc (460.9 to 449.5 Ma)
  • Late/Upper Llandeilo (460.9 to 449.5 Ma)
  • Middle Llandeilo (460.9 to 449.5 Ma)
  • Kukruse (460.9 to 449.5 Ma)
  • Edenian (460.9 to 449.5 Ma)
  • Trentonian (460.9 to 449.5 Ma)
  • Wildernessian (460.9 to 449.5 Ma)
  • Ashbyan (460.9 to 449.5 Ma)
  • Chatfieldian (460.9 to 449.5 Ma)
  • Turinian (460.9 to 449.5 Ma)
  • Berounian (460.9 to 449.5 Ma)
  • Hanjiang (460.9 to 449.5 Ma)
  • Neichiashanian (460.9 to 449.5 Ma)
  • Haljala (460.9 to 449.5 Ma)
  • Caradocian (460.9 to 449.5 Ma)
  • Franklinian (460.9 to 449.5 Ma)
  • Kirkfieldian (460.9 to 449.5 Ma)
  • Rocklandian (460.9 to 449.5 Ma)
  • Shermanian (460.9 to 449.5 Ma)
  • Blackriveran (460.9 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)
  • Viru (463.5 to 452.0 Ma)
  • Whiterock (468.1 to 460.9 Ma)
  • Darriwilian (468.1 to 460.9 Ma)
  • Llanvirnian (468.1 to 460.9 Ma)
  • Guniu (468.1 to 460.9 Ma)
  • Hulo (468.1 to 460.9 Ma)
  • Zhejiangian (468.1 to 460.9 Ma)
  • Chazyan (468.1 to 460.9 Ma)
  • Marmor (468.1 to 460.9 Ma)
  • Kunda (468.1 to 463.5 Ma)
  • Middle Ordovician (471.8 to 460.9 Ma)
  • Yangtzi (478.6 to 460.9 Ma)
  • Oeland (488.3 to 463.5 Ma)
    • Appears in scale
  • Harland Ordovician of the Eastern USA (1990)

    • Interval name: