Type
Epoch
Age range
458.2–443.1 Ma

International Timescale

also International Epochs, Russian Epochs
Paleozoic
Silurian
Llandovery
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Katian
Sandbian
Middle Ordovician
Darriwilian
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Macrostrat

Data

Platform

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