286.1 - 273.01 Ma

The definition of this interval in the timescale Permian 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 bottom 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 8 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Kungurian age, Cisuralian epoch, Artinskian age
• Permian of the Russian Platform: Filipovian subage, Ufimian subage, Irginian subage, Saraninian subage, Sarginian subage, Irenian subage
• Permian of the Pamirs: Kubergandian age, Yakhtashian age, Bolorian age
• Permian of Western Europe: Rotliegendes epoch, Autunian epoch
• Permian of China: Luodianian age, Longlinian age
• Permian of North America: Hessian subage, Cathedralian subage
• Carbo-Permian of the Russian Platform: Noginskian subage, Pavlovoposadian subage
• Permian-Jurassic of New Zealand: Telfordian age, Barettian age, Mangapirian age, Aparima epoch

This interval is used in the definition of 44 collections

A total of 3814 collections with 21144 occurrences lie within this time span