Middle Devonian
From Wikipedia, the free encyclopedia
In the geological timescale, the Middle Devonian epoch (from 397.5 ± 2.7 million years ago to 385.3 ± 2.6 million years ago) occurred during the Devonian period, after the end of the Emsian age.
The Middle Devonian epoch is subdivided into two stages: Eifelian and Givetian.
| Devonian period | ||
|---|---|---|
| Lower/Early Devonian | Middle Devonian | Upper/Late Devonian |
| Lochkovian | Pragian Emsian | Eifelian | Givetian | Frasnian | Famennian |
