351.9 - 343.1 Ma

The definition of this interval in the timescale Carboniferous of North America is taken from the following source:

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

The top and bottom ages 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.

There are intervals in 5 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Tournaisian age, Mississippian epoch, Visean age
• Carboniferous Subepochs: Early Mississippian subepoch, Middle Mississippian subepoch
• Carbo-Permian of the Russian Platform: Bobrikian subage, Kosvian subage, Radaevkian subage, Kizelian subage
• Carboniferous of Western Europe: Moliniacian age, Ivorian age, Arundian subage, Holkerian subage, Chadian subage
• Carboniferous of China: Jiusian age, Tangbagouan age

This interval is used in the definition of 235 collections

A total of 706 collections with 7854 occurrences lie within this time span