Type
Zone
Age range
302–301 Ma

International Timescale

Pennsylvanian
Gzhelian

Conodont Zonation

Streptognathodus simplex-Streptognathodus bellus
Streptognathodus virgilicus
Streptognathodus vitali
302.0301.9301.9301.9301.8301.8301.7301.6301.6301.6301.5301.4301.4301.4301.3301.3301.2301.1301.1301.1301.0

Macrostrat

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