494.7 - 485.4 Ma

The definition of this interval in the timescale Cambrian of Siberia is taken from the following source:

• F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view

The bottom age has been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.

There are intervals in 9 timescales which overlap this one. show

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

This interval is no longer in current use

This interval is used in the definition of 9 collections

A total of 2043 collections with 10624 occurrences lie within this time span