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Gateway to the Paleobiology Database

North American Mammal Subages/Zones: Puercan - Uintan

Authorizer: J. Alroy   Enterer: J. Alroy

Continent: North America   Rank of each interval: subage/stage

Basis of scale: paleontological  

Reference: M. O. Woodburne 1987

Comments: Followed by the Duchesnean, which is not subdivided.

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