497 - 485.4 Ma

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

• W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

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

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

This interval is used in the definition of 119 collections

A total of 2466 collections with 12569 occurrences lie within this time span