470 - 467.3 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: Middle Ordovician epoch
• Ordovician of Britain: Llanvirn epoch, Early Llanvirn age, Abereiddian age, Arenig epoch, Fennian age
• Ordovician of the Baltic: Oeland epoch, Billingen age, Hunderum age, Langevoja age, Vaana age, Saka age, Volkhov age, Valaste age
• Ordovician of Ibero-Bohemia: Oretanian age, Klabava age, Arenigian age
• Ordovician of Australia: Yapeenian age, Castlemainian age
• Ordovician of China: Hunjiang age, Ningkuo age, Dawan age, Daobaowan age
• Ordovician of North America: Marmor age, Rangerian age, Chazyan age, Whiterockian epoch, Canadian age

This interval is used in the definition of 184 collections

A total of 676 collections with 3529 occurrences lie within this time span