Type
Age
Age range
464–458.2 Ma

International Timescale

Late Ordovician
Sandbian
Middle Ordovician
Darriwilian

COSUNA

Whiterock
Blackriverian
Chazyan
464.0463.5463.0462.5462.0461.5461.0460.5460.0459.5459.0458.5458.0

Macrostrat

Data

Platform

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