458.2 - 443.1 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2024. The ICS International Chronostratigraphic Chart v2024/12. International Commission on Stratigraphy view
There are intervals in 7 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Katian age, Sandbian age, Hirnantian age
- Ordovician of Britain: Cheneyan age, Costonian age, Pusgillian age, Actonian age, Harnagian age, Marshbrookian age, Soudleyan age, Streffordian age, Aurelucian age, Longvillian age, Caradoc epoch, Onnian age, Burrellian age, Rawtheyan age, Woolstonian age, Cautleyan age, Ashgill epoch
- Ordovician of the Baltic: Uhaku age, Viru epoch, Haljala age, Kukruse age, Nabala age, Rakvere age, Harju epoch, Oandu age, Aluoja age, Keila age, Porkuni age, Pirgu age, Johvi age, Idavere age, Vormsi age
- Ordovician of Ibero-Bohemia: Vinice age, Kosovian age, Letna age, Berounian age, Kralodvorian age, Zahorany age, Bohdalec age
- Ordovician of Australia: Gisbornian age, Eastonian age, Bolindian age
- Ordovician of China: Wufeng age, Xiaoxita age, Hanjiang age, Chientangkiangian age, Neichianshanian age, Shikou age
- Ordovician of North America: Gamachian age, Franklinian age, Whiterockian epoch, Trentonian age, Mohawkian epoch, Rocklandian age, Edenian age, Cincinnatian epoch, Kirkfieldian age, Shermanian age, Turinian age, Richmondian age, Chatfieldian age, Marmor age, Chazyan age, Ashbyan age, Maysvillian age, Wildernessian age, Blackriveran age, Canadian age
This interval is used in the definition of 609 collections
A total of 9854 collections with 72675 occurrences lie within this time span