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

This interval is used in the definition of 52 collections

A total of 3839 collections with 21227 occurrences lie within this time span