509 - 497 Ma

The definition of this interval in the timescale Cambrian Epochs 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 8 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Miaolingian epoch, Wuliuan age, Drumian age, Guzhangian age
• Obsolete Names for ICS Units: Series 3 epoch, Stage 5 age
• Cambrian of China: Taijangian age, Wangcunian age
• Cambrian of Australia: Mindyallan age, Floran age, Templetonian age, Boomerangian age, Ordian age, Undillan age
• Cambrian of Siberia: Ayusokkanian age, Solvan age, Amgan age, Menevian age, Mayan age
• Cambrian of Kazakhstan: Zhanaarykian age, Tuesaian age
• Cambrian of North America: Delamaran age, Marjumian age, Topazan age, Albertian age
• Cambrian of West Avalonia: Arcadian age

This interval is used in the definition of 358 collections

A total of 2374 collections with 13907 occurrences lie within this time span