Bartonian
Encyclopedia : B : BA : BAR : Bartonian
The Bartonian (also known as the Auversian) is a stage of the middle Eocene Epoch. It spans the time between 40.4 ± 0.2 Ma and 37.2 ± 0.2 Ma (million years ago).
References
| Tertiary sub-era | |||||
|---|---|---|---|---|---|
| Paleogene period | |||||
| Paleocene epoch | Eocene epoch | Oligocene epoch | |||
| Danian | Selandian | Ypresian | Lutetian | Rupelian | Chattian |
| Thanetian | Bartonian | Priabonian | |||
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