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Stratigraphy
Berriasian
Belongs toLower Cretaceous
Typechronostratigraphy
RankStage
Scopeglobal
Statusinformal standard
AuthorCoquand
Year1871
EtymonNear the village of Berrias, Ardcche Departement, southeast France.
Age top (Ma)139.8
Age base (Ma)145
Date changed2022-11-04
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