486.85 - 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 9 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Middle Ordovician epoch, Floian age, Tremadocian age, Sandbian age, Late Ordovician epoch, Darriwilian age, Hirnantian age, Early Ordovician epoch, Katian age, Dapingian age
- Ordovician of Britain: Fennian age, Burrellian age, Ashgill epoch, Llanvirn epoch, Arenig epoch, Longvillian age, Harnagian age, Moridunian age, Llandeilo age, Actonian age, Cheneyan age, Aurelucian age, Whitlandian age, Early Llanvirn age, Streffordian age, Marshbrookian age, Migneintian age, Abereiddian age, Late Llandeilo age, Llandeilian age, Tremadoc epoch, Rawtheyan age, Onnian age, Woolstonian age, Early Llandeilo age, Cautleyan age, Caradoc epoch, Costonian age, Late Llanvirn age, Cressagian age, Pusgillian age, Soudleyan age, Middle Llandeilo age
- Ordovician of the Baltic: Haljala age, Aseri age, Hunneberg age, Volkhov age, Lasnamagi age, Varangu age, Kunda age, Valaste age, Pakerort age, Oandu age, Porkuni age, Hunderum age, Kukruse age, Billingen age, Nabala age, Aluoja age, Vaana age, Idavere age, Rakvere age, Keila age, Saka age, Uhaku age, Vormsi age, Johvi age, Viru epoch, Latorp age, Oeland epoch, Pirgu age, Harju epoch, Langevoja age
- Ordovician of Ibero-Bohemia: Oretanian age, Klabava age, Sarka age, Vinice age, Liben age, Zahorany age, Letna age, Kralodvorian age, Dobrotivian age, Berounian age, Bohdalec age, Kosovian age, Arenigian age
- Ordovician of Australia: Bendigonian age, Gisbornian age, Bolindian age, Warendian age, Eastonian age, Chewtonian age, Lancefieldian age, Yapeenian age, Castlemainian age
- Ordovician of China: Hanjiang age, Hulo age, Chientangkiangian age, Xiaoxita age, Ningkuo age, Yiyangian age, Hunjiang age, Shikou age, Guniu age, Neichianshanian age, Wufeng age, Daobaowan age, Xinchangian age, Lianghekou age, Dawan age
- Ordovician of North America: Edenian age, Cassinian age, Rangerian age, Wildernessian age, Demingian age, Mohawkian epoch, Kirkfieldian age, Ashbyan age, Tulean age, Turinian age, Shermanian age, Franklinian age, Rocklandian age, Chatfieldian age, Gasconadian age, Canadian age, Ibexian epoch, Trentonian age, Skullrockian age, Marmor age, Richmondian age, Blackriveran age, Jeffersonian age, Stairsian age, Gamachian age, Cincinnatian epoch, Chazyan age, Maysvillian age, Whiterockian epoch, Blackhillsian age
- Cambrian of Siberia: Mansian age
- Cambrian of Kazakhstan: Ungurian age
This interval is used in the definition of 65 collections
A total of 17991 collections with 115292 occurrences lie within this time span