Ypresian
From Freepedia
The Ypresian is the first stage of the Eocene Epoch. It spans the time between 55.8 ± 0.2 Ma and 48.6 ± 0.2 Ma (million years ago). The stage is named after Ypres, Belgium. The famous Messel shales in Germany are from this age.
References
| Tertiary sub-era | |||||
|---|---|---|---|---|---|
| Paleogene period | |||||
| Paleocene epoch | Eocene epoch | Oligocene epoch | |||
| Danian | Selandian | Ypresian | Lutetian | Rupelian | Chattian |
| Thanetian | Bartonian | Priabonian | |||



