Belongs toMiddle Devonian
Typechronostratigraphy
RankStage
Scopeglobal
Statusformal standard
AuthorWalliser et al.,
Year1995
EtymonGivet, town in France
Age top (Ma)382.7
Age base (Ma)387.7
Index
d5
Date added2003-04-03
Date changed2022-11-04
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