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Gateway to the Paleobiology Database

Orellan age/stage

General information
Lower boundary: equal to 33.9 Ma (based on Rupelian)
Upper boundary: equal to 33.3 Ma (see scale)
Continent: North America
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See map of collections within this interval
Key correlations
Period: Paleogene
Epoch: Oligocene
Subepoch: Early/Lower Oligocene
Stage: Rupelian
10 million year bin: Cenozoic 4
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