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Gateway to the Paleobiology Database

Holkerian subage/stage

General information
Lower boundary: equal to 342.8 Ma (see scale)
Upper boundary: equal to 339.4 Ma (see scale)
Continent: Europe
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See map of collections within this interval
Key correlations
Period: Carboniferous
Epoch: Middle Mississippian
Stage: Visean
10 million year bin: Carboniferous 2
Previous intervals
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