Couvinien age

408.2 - 387.7 Ma

The definition of this interval in the timescale Devonian of France is taken from the following source:

  • W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

The bottom age has been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.

There are intervals in 5 timescales which overlap this one. show

This interval is used in the definition of 5 collections

A total of 3712 collections with 28218 occurrences lie within this time span

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International Chronostratigraphic TimescaleDevonian of FranceDevonian Subages
DevonianLate DevonianFamennianFamennianLate Famennian358.9
Middle Famennian365.3 *
Early Famennian368.5 *
FrasnianFrasnianLate Frasnian372.2
Middle Frasnian375.4 *
Early Frasnian379.3 *
Middle DevonianGivetianGivetianLate Givetian382.7
Middle Givetian383.7 *
Early Givetian385.9 *
EifelianCouvinienLate Eifelian387.7
Early Eifelian390.3 *
Early DevonianEmsianLate Emsian393.3
Early Emsian398.3 *
PragianPragian407.6
Coblencien408.2 *
LochkovianGedinnineLate Lochkovian410.8
Middle Lochkovian412.8 *
Early Lochkovian415.6 *
419.2