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Stratigraphy
Kohila Subseries
Belongs toHarju Series
Typechronostratigraphy
RankSubseries
Scoperegional
Statusformal standard
AuthorRõõmusoks
Year1956
Age top (Ma)449.8
Age base (Ma)452
Age (Ma)Upper Ordovician
Age referenceWebby et al., 2004 (eds)
Date added2011-07-20
Date changed2012-01-06
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