Type
Age
Age range
454.5–451 Ma

International Timescale

Late Ordovician
Katian
Sandbian

COSUNA

Edenian
Shermanian
Kirkfield
454.6454.4454.2454.0453.8453.6453.4453.2453.0452.8452.6452.4452.2452.0451.8451.6451.4451.2451.0

Macrostrat

Data

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