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Kockelella ortus obsidata
582
Type
Zone
Age range
428.3–427.7
Ma
International Timescale
Wenlock
Homerian
Conodont Zonation
Kockelella crassa
Kockelella ortus obsidata
Ozarkodina bohemica longa
428.30
428.25
428.20
428.15
428.10
428.05
428.00
427.95
427.90
427.85
427.80
427.75
427.70
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