323.4 - 315.2 Ma

The definition of this interval in the timescale Carboniferous Subepochs 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 5 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Pennsylvanian epoch, Bashkirian age
• Carbo-Permian of the Russian Platform: Voznesenian subage, Melekessian subage, Cheremshanian subage, Krasnopolyanian subage, Severokeltmian subage, Prikamian subage
• Carboniferous of Western Europe: Westphalian A subage, Westphalian B subage, Chokierian subage, Yeadonian subage, Westphalian age, Marsdenian subage, Kinderscoutian subage, Alportian subage, Namurian age
• Carboniferous of China: Huashibanian age, Lousuan age, Dalaun age
• Carboniferous of North America: Atokan age, Morrowan age

This interval is used in the definition of 79 collections

A total of 1230 collections with 6712 occurrences lie within this time span