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

This interval is used in the definition of 695 collections

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