Type
Age
Age range
317.8–314.6 Ma
Pennsylvanian
Moscovian
Bashkirian
Bolsovian
Duckmantian
Langsettian
317.8317.6317.4317.2317.0316.8316.6316.4316.2316.0315.8315.6315.4315.2315.0314.8314.6