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

This interval is used in the definition of 695 collections

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