Type
Zone
Age range
253.5–253.1 Ma

International Timescale

Lopingian
Changhsingian

Conodont Zonation

Clarkina changxingensis
Clarkina subarinata
Clarkina wangi
253.50253.48253.46253.44253.42253.40253.38253.36253.34253.32253.30253.28253.26253.24253.22253.20253.18253.16253.14253.12253.10

Macrostrat

Data

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