Type
Zone
Age range
362.2–360 Ma
Late Devonian
Famennian
Siphonodella praesulcata
Palmatolepis gracilis expansa
Palmatolepis perlobata postera
362.2362.1362.0361.9361.8361.7361.6361.5361.4361.3361.2361.1361.0360.9360.8360.7360.6360.5360.4360.3360.2360.1360.0