Type
Age
Age range
305.1–301.5 Ma
Pennsylvanian
Gzhelian
Kasimovian
Stephanian B
Stephanian A
Cantabrian
305.2305.0304.8304.6304.4304.2304.0303.8303.6303.4303.2303.0302.8302.6302.4302.2302.0301.8301.6301.4