Type
Zone
Age range
284–283.3 Ma

International Timescale

Cisuralian
Kungurian
Artinskian

Conodont Zonation

Neostreptognathodus pnevi
Neostreptognathodus pequopensis
Sweetognathus clarki
284.0283.9283.9283.9283.8283.8283.7283.6283.6283.6283.5283.4283.4283.4283.3

Macrostrat

Data

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