BGS Zone 26(=UKB22 of Hart et al., 1989): Difference between revisions
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'''Base: '''Inception of ''Bolivinoides draco draco'' (not seen onshore, but present in the North Sea Basin). | '''Base: '''Inception of ''Bolivinoides draco draco'' (not seen onshore, but present in the North Sea Basin). | ||
Latest revision as of 12:08, 1 October 2013
Base: Inception of Bolivinoides draco draco (not seen onshore, but present in the North Sea Basin).
Top: Inception of Abomphalus mayaroensis (not seen onshore, but present in the North Sea Basin).
Biomarkers:
- Abomphalus intermedia and Rosita patelliformis appear at or near the base of the foraminifera zone.
Macrofaunal correlation: Early B. occidentalis Zone s.l. and ?B. junior Zone.
Age: Maastrichtian