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Kockelella variabilis variabilis
584
Type
Zone
Age range
427–426
Ma
International Timescale
Ludlow
Gorstian
Wenlock
Homerian
Conodont Zonation
Ancoradella ploeckensis
Kockelella variabilis variabilis
Kockelella crassa
427.0
426.9
426.9
426.9
426.8
426.8
426.7
426.6
426.6
426.6
426.5
426.4
426.4
426.4
426.3
426.3
426.2
426.1
426.1
426.1
426.0
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