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

This interval is used in the definition of 698 collections

A total of 5476 collections with 38518 occurrences lie within this time span