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Cleistosphaeridium tianshanense

"Cleistosphaeridium tianshanense" He Chengquan, 1991, p.142, pl.25, figs.4-7; text-fig.28.

TYPE: Holotype: He Chengquan, 1991, pl.25, fig.4.

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

AGE: Early Eocene.


Infraspecific taxa:


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