Type
Zone
Age range
248–247.7 Ma

International Timescale

Early Triassic
Olenekian

Ammonite Zonation - Boreal

Olenikites pilaticus
Bajarunia eumphala
248.00247.98247.96247.94247.92247.90247.88247.86247.84247.82247.80247.78247.76247.74247.72247.70

Macrostrat

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