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Impletosphaeridium regulatum

Impletosphaeridium regulatum (Zhou Heyi, 1985, p.7, pl.1, figs.16-17,19-21) Williams et al., 1998, p.335.

TYPE: Holotype: Zhou Heyi, 1985, pl.1, fig.16.

HISTORY: Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium.

AGE: mid Oligocene.


Infraspecific taxa:


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