Type
Zone
Age range
302.7–302 Ma

International Timescale

Pennsylvanian
Gzhelian

Conodont Zonation

Streptognathodus virgilicus
Streptognathodus vitali
Streptognathodus simulator
302.7302.6302.6302.6302.5302.4302.4302.4302.3302.3302.2302.1302.1302.1302.0

Macrostrat

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