BGS Zone 3 (=UKB4 of Hart et al., 1989)

From Earthwise
Revision as of 12:39, 1 October 2013 by Dbk (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Base: The extinction of Marssonella ozawai and Quinqueloculina antiqua.

Top: The inception of Flourensina mariae and Plectina cenomana.


  • Lingulogavelinella jarzevae becomes extinct in the basal part (lower to middle M. dixoni macrofaunal zone).
  • Rotalipora reicheli appears for the first time in the upper part of the zone (upper M. dixoni macrofaunal zone), but is rare.

Macrofaunal correlation: M. dixoni Zone.

Age: Early Cenomanian