Type
Age
Age range
283.3–279.9 Ma
Cisuralian
Kungurian
Artinskian
Flippovian
Saraninian
Sarginian
283.4283.2283.0282.8282.6282.4282.2282.0281.8281.6281.4281.2281.0280.8280.6280.4280.2280.0279.8