Type
Age
Age range
306–301.5 Ma
Pennsylvanian
Gzhelian
Kasimovian
Khorokytian
Kyglitassian
Solonchanian
306.2306.0305.8305.6305.4305.2305.0304.8304.6304.4304.2304.0303.8303.6303.4303.2303.0302.8302.6302.4302.2302.0301.8301.6301.4