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Downiesphaeridium bergmannii

Downiesphaeridium bergmannii (Archangelsky, 1969a, p.414, pl.2, figs.8,11) Quattrocchio and Sarjeant, 1996, p.119.

TYPE: Holotype: Archangelsky, 1969a, pl.2, fig.11.

HISTORY: Originally Cleistosphaeridium, subsequently Operculodinium, thirdly (and now) Downiesphaeridium.

COMMENTS: Quattrocchio and Sarjeant (1996, p.120) considered this species to be the possible taxonomic senior synonym of Impletosphaeridium charrieri.

AGE: Eocene.


Infraspecific taxa:


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