Viru Series
General info
Belongs to
Baltic Ordovician
Type chronostratigraphy
Rank Series
Scope regional
Status formal standard
Etymon Virumaa, region in NE Estonia
Age top (Ma) 452
Age base (Ma) 463.8
Age (Ma)
Upper Ordovician
Age reference Cooper & Sadler, 2004
Date changed 2024-05-06
Synonyms (1)Sub units (3)Related units (3)Specimens (73764)Samples (18284)
SynonymLanguageReferenceRemarks
Viru seeria
Estonian
Aaloe, Ago et al., 1960
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