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Stratigraphy
Bartonian
Belongs toEocene
Typechronostratigraphy
RankStage
Scopeglobal
Statusinformal standard
AuthorKarl Mayer-Eymar
Year1858
EtymonBarton-on-Sea, village in southern England
Age top (Ma)37.71
Age base (Ma)41.2
Date changed2022-11-04
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