Type
Zone
Age range
300–298.9 Ma

International Timescale

Cisuralian
Asselian
Pennsylvanian
Gzhelian

Conodont Zonation

Streptognathodus isolatus
Streptognathodus wabaunsensis
Streptognathodus simplex-Streptognathodus bellus
300.0299.9299.9299.9299.8299.8299.7299.6299.6299.6299.5299.4299.4299.4299.3299.3299.2299.1299.1299.1299.0298.9298.9

Macrostrat

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