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Downiesphaeridium bulbum

Downiesphaeridium bulbum (Yu Jingxian, 1989, p.140, pl.51, figs.8-9) Williams et al., 1998, p.203.

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

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

AGE: Eocene.


Infraspecific taxa:


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