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Hystrichosphaeridium perforatum

"Hystrichosphaeridium perforatum" Gocht, 1959, p.68-69, pl.3, fig.7; pl.7, figs.13-16.

TYPE: Holotype: Gocht, 1959, pl.3, fig.7; pl.7, fig.13.

HISTORY: NOW: Oligosphaeridium. Originally Hystrichosphaeridium, subsequently (and now) Oligosphaeridium.

AGE: Hauterivian-Barremian.


Infraspecific taxa:


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