Eifelian
The Eifelian is one of two faunal stages in the Middle Devonian epoch. It lasted from 393.3 ± 1.2 million years ago to 387.7 ± 0.8 million years ago. It was preceded by the Emsian stage and followed by the Givetian stage.
| System/ Period |
Series/ Epoch |
Stage/ Age |
Age (Ma) | ||
|---|---|---|---|---|---|
| Carboniferous | Mississippian | Tournaisian | younger | ||
| Devonian | Upper/ Late |
Famennian | 358.9 | 372.2 | |
| Frasnian | 372.2 | 382.7 | |||
| Middle | Givetian | 382.7 | 387.7 | ||
| Eifelian | 387.7 | 393.3 | |||
| Lower/ Early |
Emsian | 393.3 | 407.6 | ||
| Pragian | 407.6 | 410.8 | |||
| Lochkovian | 410.8 | 419.2 | |||
| Silurian | Pridoli | no faunal stages defined | older | ||
| Subdivision of the Devonian system according to the ICS, as of 2017.[1] | |||||
North American subdivisions of the Eifelian Stage include Southwood, and part of Cazenovia (or Cazenovian).
Name and definition
Named after the Eifel Hills located in Western Germany where the GSSP is exposed in the Wetteldorf Richtschnitt. [2]
Eifelian life
Arthropods
| Arthropods of the Eifelian | ||||
|---|---|---|---|---|
| Taxa | Presence | Location | Description | Images |
| Jaekelopterus | Klerf Formation, Rhineland, Germany Wyoming |
|||
| Hollardrops mesocristata | Mount Issoumour Formation, Morocco | |||
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References
- http://www.stratigraphy.org/index.php/ics-chart-timescale
- "GSSP for the Emsian - Eifelian Stage Boundary". stratigraphy. Retrieved 30 June 2017.
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