Belemnitella minor I Zone
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Base: Defined by first appearance of index species.
Range: From base of zone to just below top of zone (Christensen, 1995).
Biostratigraphical correlation: Equates with an interval from the middle to upper part of the B. mucronata Zone s.l.
Lithostratigraphical correlation: Equates with the top of Weybourne Chalk 3 (i.e. Catton Sponge Bed), the Beeston Chalk, and basal Paramoudra Chalk (Christensen, 1995).
| Subzones: | Subzone 3 |
| Subzone 2 | |
| Subzone 1 |
Age: Upper Campanian.