Early Devonian This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Early_Devonian".
In the geological timescale, the Early Devonian epoch (from 416.0 ± 2.8 million years ago to 397.5 ± 2.7 million years ago) occurred during the Devonian period, after the end of the Silurian period.
The Early Devonian epoch is subdivided into three stages: Lochkovian, Pragian and Emsian.