Artinskian

In the geologic timescale, the Artinskian is an age or stage of the Permian. It is a subdivision of the Cisuralian epoch or series. The Artinskian lasted between 290.1 ± 0.26 and 283.5 ± 0.6 million years ago (Ma). It was preceded by the Sakmarian and followed by the Kungurian.