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Givetian

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Title: Givetian  
Author: World Heritage Encyclopedia
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Subject: Platycephalichthys, Rhizodontida, Eday Group, Frasnian, Famennian
Collection: Devonian, Devonian Geochronology
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Givetian

System/
Period
Series/
Epoch
Stage/
Age
Age (Ma)
Carboniferous Mississippian Tournaisian recent
Devonian Late Famennian 372.2–358.9
Frasnian 382.7–372.2
Middle Givetian 387.7–382.7
Eifelian 393.3–387.7
Early Emsian 407.6–393.3
Pragian 410.8–407.6
Lochkovian 419.2–410.8
Silurian Pridoli no faunal stages defined older
Subdivision of the Devonian system according to the ICS.[1]

The Givetian is one of two faunal stages in the Middle Devonian period. It lasted from 387.7 ± 0.8 million years ago to 382.7 ± 1.6 million years ago. It was preceded by the Eifelian stage and followed by the Frasnian stage. It is named after the town of Givet in France.

Name and definition

The Givetian stage was proposed in 1879 by French geologist Jules Gosselet and was accepted for the higher stage of the Middle Devonian by the Subcommission on Devonian Stratigraphy in 1981.[2]

References

  1. ^ "International Chronostratigraphic Chart". International Commission on Stratigraphy. Retrieved 9 December 2012. 
  2. ^ Préat, Alain; Bultynck, Pierre (2006). "Givetian" (PDF). Geologica Belgica 9 (1-2): 9–18. Retrieved 12 March 2013. 


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