Type
Zone
Age range
248.4–248.3 Ma

International Timescale

Early Triassic
Olenekian

Conodont Zonation

Icriospathodus collinsoni
Neospathodus pingdingshanensis
Borinella buurensis-Scythogondolella milleri
248.40248.40248.39248.38248.38248.38248.37248.37248.36248.35248.35248.34248.34248.34248.33248.32248.32248.31248.31248.31248.30

Macrostrat

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