Type
Zone
Age range
336.8–335 Ma

International Timescale

Mississippian
Visean

Conodont Zonation

Lochriea mononodosa
Gnathodus bilineatus
Gnathodus praebillineatus
336.8336.7336.6336.5336.4336.3336.2336.1336.0335.9335.8335.7335.6335.5335.4335.3335.2335.1335.0

Macrostrat

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