497 - 485.4 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 9 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Paibian age, Stage 10 age, Jiangshanian age
• Cambrian Epochs: Late Cambrian epoch
• Ordovician of the Baltic: Oeland epoch, Pakerort age
• Ordovician of North America: Ibexian epoch, Skullrockian age
• Cambrian of China: Waergangian age, Youshuanian age, Niuchehean age, Taoyuanian age
• Cambrian of Australia: Datsonian age, Iverian age, Payntonian age, Idamean age
• Cambrian of Siberia: Maduan age, Ensyan age, Batyrbaian age, Nganasanian age, Aksaian age, Ketyan age, Tavgian age, Sakian age, Yurakian age
• Cambrian of North America: Dresbachian age, Sunwaptan age, Franconian age, Steptoean age, Millardan age
• Cambrian of Britain: Trempealeauan age, Maentwrogian age, Dolgellian age

This interval is used in the definition of 509 collections

A total of 2466 collections with 12570 occurrences lie within this time span