486.85 - 485 Ma

The definition of this interval in the timescale Cambrian of Siberia 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: Tremadocian age, Early Ordovician epoch
• Ordovician of Britain: Cressagian age, Tremadoc epoch
• Ordovician of the Baltic: Latorp age, Oeland epoch, Pakerort age
• Ordovician of Australia: Warendian age
• Ordovician of China: Xinchangian age, Lianghekou age, Hunjiang age
• Ordovician of North America: Demingian age, Canadian age, Skullrockian age, Ibexian epoch, Jeffersonian age, Gasconadian age
• Cambrian of Kazakhstan: Ungurian age

This interval is no longer in current use

This interval is used in the definition of 11 collections

A total of 129 collections with 586 occurrences lie within this time span