538.8 - 506.5 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 7 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Fortunian age, Stage 3 age, Stage 2 age, Stage 4 age, Terreneuvian epoch, Series 2 epoch
• Cambrian of China: Duyunian age, Nangaoian age, Jinnigian age, Meishucunian age
• Cambrian of Australia: Templetonian age, Ordian age
• Cambrian of Siberia: Atdabanian age, Amgan age, Tommotian age, Nemakit-Daldynian age, Lenian age, Toyonian age, Solvan age, Manykaian age, Botomian age
• Cambrian of North America: Waucoban age, Delamaran age, Dyeran age, Begadean age, Montezuman age
• Cambrian of West Avalonia: Placentian age, Branchian age
• Cambrian of Britain: Caerfai age

This interval is used in the definition of 231 collections

A total of 3459 collections with 24122 occurrences lie within this time span