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Cordosphaeridium divergens

"Cordosphaeridium divergens" (Eisenack, 1954b, p.67, pl.9, figs.13-16) Eisenack, 1963b, p.262.

TYPE: Holotype: Eisenack, 1954b, pl.9, fig.14.

HISTORY: NOW: Operculodinium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (combination not validly published, Appendix A), thirdly Cordosphaeridium, fourthly (and now) Operculodinium.

AGE: Early Oligocene.


Infraspecific taxa:


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