Early Ordovician – Macrostrat

Type

Epoch

Age range

486.85–471.3 Ma

International Timescale

also International Epochs

Paleozoic

Ordovician

Middle Ordovician

Dapingian

Early Ordovician

Floian

Tremadocian

Cambrian

Furongian

Stage 10

Russian Epochs

Middle Ordovician

Early Ordovician

Late Cambrian

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