Type
Zone
Age range
258.5–257.7 Ma

International Timescale

Lopingian
Wuchiapingian

Conodont Zonation

Clarkina leveni
Clarkina asymmetrica
Clarkina dukouensis
258.5258.4258.4258.4258.3258.3258.2258.1258.1258.1258.0257.9257.9257.9257.8257.8257.7

Macrostrat

Data

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