Duchesnean
From Infogalactic: the planetary knowledge core
The Duchesnean North American Stage on the geologic timescale is a North American Land Mammal Age (NALMA), with an age from 42 to 38 million years BP, representing 4 million years.[1] It falls within the Eocene epoch. The Duchesnean is preceded by the Uintan and followed by the Chadronian NALMA.
The Duchesnean falls within the Bartonian age of the geologic timescale.
References
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<references />, or <references group="..." />| Paleogene Period | ||
|---|---|---|
| Paleocene Epoch | Eocene Epoch | Oligocene Epoch |
| Danian | Selandian Thanetian |
Ypresian | Lutetian Bartonian |Priabonian |
Rupelian | Chattian |
