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Stratigraphy
Emsian
Belongs toLower Devonian
Typechronostratigraphy
RankStage
Scopeglobal
Statusformal standard
AuthorYolkin et al.,
Year1997
EtymonEms river, western Germany
Age top (Ma)393.3
Age base (Ma)407.6
Index
d3
Date added2003-04-03
Date changed2022-11-04
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