Orellan
The Orellan North American Stage on the
Early Oligocene. The Orellan precedes the Whitneyan and follows the Chadronian
NALMA stages.
The Orellan is contained within the Rupelian and shares the lower boundary.
References
- hdl:2246/5999.
The Orellan North American Stage on the
The Orellan is contained within the Rupelian and shares the lower boundary.
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