430.5 - 429.7 Ma

The definition of this interval in the timescale Silurian Ages of Europe is taken from the following source:

• W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

The top age has been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.

There are intervals in 4 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Homerian age, Wenlock epoch
• Silurian of the Baltic: Jaagarahu age
• Silurian of England: Woolhope age, Wych age
• Silurian of North America: Lockportian age, Niagaran age

This interval is used in the definition of 5 collections

A total of 5 collections with 275 occurrences lie within this time span