Eifelian
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The Eifelian is one of two faunal stages in the Middle Devonian epoch. It lasted from 397.5 ± 2.7 million years ago to 391.8 ± 2.7 million years ago. It was preceded by the Emsian stage and followed by the Givetian stage.
North American subdivisions of the Eifelian Stage include Southwood, Cazenovia (pars), and Cazenovian (pars).
Named after the Eifel Hills located in Western Germany where the GSSP is exposed in the Wetteldorf Richtschnitt.
- GSSP for the Emsian - Eifelian Stage Boundary. stratigraphy. Retrieved on Sept 269, 2006.
| Devonian period | ||
|---|---|---|
| Lower/Early Devonian | Middle Devonian | Upper/Late Devonian |
| Lochkovian | Pragian Emsian |
Eifelian | Givetian | Frasnian | Famennian |
