Stratigraphy
Iru Subseries
Belongs to
Öland Series
Typechronostratigraphy
RankSubseries
Scoperegional
Statusformal standard
EtymonIru, set.
Age top (Ma)483.4
Age base (Ma)489.8
Age (Ma)
Paleozoic
Date added2011-07-20
Date changed2011-08-19
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