423 - 419.2 Ma

The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:

• K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

There are intervals in 3 timescales which overlap this one. show

• Silurian of the Baltic: Ohesaare age, Kaugetuma age
• Silurian of England: Downton Castle age, Whitcliffe age, Elton age, Bringewood age, Red Downtonian age, Temeside Shales age, Leintwardine age
• Silurian of North America: Niagaran age, Cayugan age

This interval is used in the definition of 1072 collections

A total of 800 collections with 5762 occurrences lie within this time span