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Hystrichosphaeridium paradoxum

"Hystrichosphaeridium paradoxum" Brosius, 1963, p.41-42, pl.4, figs.1,6; text-fig.2, nos.1a-c.

TYPE: Holotype: Brosius, 1963, pl.4, fig.6; Fensome et al., 1995, fig.2 - p.1639.

HISTORY: NOW: Distatodinium. Originally Hystrichosphaeridium, subsequently Tanyosphaeridium, thirdly Oligosphaeridium?, fourthly (and now) Distatodinium, fifthly Bipolaribucina.

AGE: Late Oligocene.


Infraspecific taxa:


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DINOFLAJ (c) 1998