Type
Age
Age range
298.9–282 Ma
Cisuralian
Kungurian
Artinskian
Sakmarian
Asselian
Pennsylvanian
Gzhelian
Leonardian
Wolfcampian
Virgilian
Leonardian
Wolfcampian
Virgilian
Leonardian
Wolfcampian
Virgilian
299298297296295294293292291290289288287286285284283282