The interval definitions in this timescale are derived from the following source:

• F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

There are 8 timescales which overlap this one. show

• Obsolete Names for ICS Units
• Ten Million Year Bins
• Carboniferous Subepochs
• Permian of China
• Carbo-Permian of the Russian Platform
• Carboniferous of Western Europe
• Obsolete Carboniferous Ages of China
• Carboniferous of North America

Interval boundaries marked with * have 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.

This timescale is used in the definition of 9 collections