Type
Age
Age range
471.3–469.4 Ma

International Timescale

also International Ages, Russian Stages
Ordovician
Middle Ordovician
Darriwilian
Dapingian
Early Ordovician
Floian
471.3471.2471.1471.0470.9470.8470.7470.6470.5470.4470.3470.2470.1470.0469.9469.8469.7469.6469.5469.4

Macrostrat

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