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Stratigraphy
Kasimovian
Belongs toPennsylvanian
Typechronostratigraphy
RankStage
Scopeglobal
Statusinformal standard
AuthorGeorgy Teodorovich
Year1949
EtymonRussian city of Kasimov
Age top (Ma)303.7
Age base (Ma)307
Index
c6
Date added2003-04-03
Date changed2022-11-04
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