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Cleistosphaeridium polypetellum

"Cleistosphaeridium polypetellum" (Islam, 1983c, p.82,84, pl.2, figs.1-6) Stover and Williams, 1995, p.102.

TYPE: Holotype: Islam, 1983c, pl.2, fig.1.

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

SYNONYM(S): Taxonomic senior synonym: Cleistosphaeridium (now Systematophora) diversispinosum, according to Islam (1993, p.88).

AGE: Early-Mid Eocene.


Infraspecific taxa:


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