Eifelian

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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]

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).

Name and definition[edit]

Named after the Eifel Hills located in Western Germany where the GSSP is exposed in the Wetteldorf Richtschnitt. [2]

Palaeontology[edit]

Arthropods[edit]

Arthropods of the Eifelian
Taxa Presence Location Description Images
Klerf Formation, Rhineland, Germany; Wyoming

References[edit]