497 - 485.4 Ma

The definition of this interval in the timescale Cambrian of North America 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

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

• International Chronostratigraphic Timescale: Stage 10 age, Paibian age, Furongian epoch, Jiangshanian 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: Waergangian age, Niuchehean age, Taoyuanian age, Youshuanian age
• Cambrian of Australia: Idamean age, Iverian age, Datsonian age, Payntonian age
• Cambrian of Siberia: Tavgian age, Ketyan age, Batyrbaian age, Yurakian age, Nganasanian age, Sakian age, Ensyan age, Maduan age, Aksaian age
• Cambrian of North America: Franconian age, Steptoean age, Dresbachian age, Sunwaptan age
• Cambrian of Britain: Maentwrogian age, Trempealeauan age, Dolgellian age

This interval is no longer in current use

This interval is used in the definition of 11 collections

A total of 2406 collections with 12293 occurrences lie within this time span