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Stratigraphy
Hettangian
Belongs toLower Jurassic
Typechronostratigraphy
RankStage
Scopeglobal
Statusinformal standard
AuthorRenevier
Year1864
EtymonHettange-Grande, village in Lorraine, France
Age top (Ma)199.5
Age base (Ma)201.4
Date changed2022-11-04
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