25
Stratigraphy
Index
Index add'l
Type
Rank
Scope
Belongs to
Age (Ma)
Age
Base
Top
Pärnu Stage
D2PR
chronostratigraphy
Stage
regional
Baltic Middle Devonian391.0387.5
Eifelian
Narva Stage
D2NR
chronostratigraphy
Stage
regional
Baltic Middle Devonian387.5384.0
Eifelian
25
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