Type
Age
Age range
492.5–486.85 Ma

International Timescale

Early Ordovician
Tremadocian
Furongian
Stage 10
Jiangshanian

Custom COSUNA

Tremadocian
Trempealeauan
Franconian

COSUNA

Tremadocian
Trempealeauan
Franconian
492.5492.0491.5491.0490.5490.0489.5489.0488.5488.0487.5487.0

Macrostrat

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