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Hystrichosphaeridium bahiaense

"Hystrichosphaeridium bahiaense" Regali et al., 1974, p.289-290, pl.23, fig.5.

TYPE: Holotype: Regali et al., 1974, pl.23, fig.5.

HISTORY: NOW: Impletosphaeridium?. Originally Hystrichosphaeridium, subsequently Cleistosphaeridium?, thirdly (and now) Impletosphaeridium?.

AGE: Eocene-Oligocene.


Infraspecific taxa:


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