Type
Age
Age range
301–300.5 Ma
Pennsylvanian
Gzhelian
Atunian
Stephanian C
Stephanian B
301.02301.00300.98300.96300.94300.92300.90300.88300.86300.84300.82300.80300.78300.76300.74300.72300.70300.68300.66300.64300.62300.60300.58300.56300.54300.52300.50300.48