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Cleistosphaeridium bulbum

"Cleistosphaeridium bulbum" Yu Jingxian, 1989, p.140, pl.51, figs.8-9.

TYPE: Holotype: Yu Jingxian, 1989, pl.51, fig.8.

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

AGE: Eocene.


Infraspecific taxa:


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