506.5 - 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 9 timescales which overlap this one. show

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

This interval is used in the definition of 348 collections

A total of 2063 collections with 11313 occurrences lie within this time span