453 - 445.2 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. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

There are intervals in 7 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Late Ordovician epoch
• Ordovician of Britain: Pusgillian age, Onnian age, Cheneyan age, Streffordian age, Burrellian age, Caradoc epoch, Ashgill epoch, Cautleyan age, Rawtheyan age
• Ordovician of the Baltic: Viru epoch, Rakvere age, Johvi age, Oandu age, Nabala age, Harju epoch, Vormsi age, Pirgu age
• Ordovician of Ibero-Bohemia: Bohdalec age, Berounian age, Kralodvorian age
• Ordovician of Australia: Bolindian age, Eastonian age, Gisbornian age
• Ordovician of China: Wufeng age, Neichianshanian age, Xiaoxita age, Chientangkiangian age, Shikou age, Hanjiang age
• Ordovician of North America: Blackriveran age, Gamachian age, Mohawkian epoch, Shermanian age, Ashbyan age, Wildernessian age, Cincinnatian epoch, Edenian age, Richmondian age, Franklinian age, Trentonian age, Chatfieldian age, Rocklandian age, Maysvillian age, Kirkfieldian age

This interval is used in the definition of 695 collections

A total of 5533 collections with 38395 occurrences lie within this time span