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Cleistosphaeridium solidum

"Cleistosphaeridium? solidum" Yun Hyesu, 1981, p.43-44, pl.11, figs.9,13-14.

TYPE: Holotype: Yun Hyesu, 1981, pl.11, fig.13; Fensome et al., 1991, fig.2 - p.739.

HISTORY: Questionable assignment: Yun Hyesu (1981, p.43).

SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (now Kiokansium) unituberculatum, by implication in Below (1982c, p.16), who considered Cleistosphaeridium solidum to be a taxonomic junior synonym of Hystrichosphaeridium recurvatum subsp. polypes (as Kiokansium polypes), which is now a taxonomic junior synonym of Hystrichosphaeridium (now Kiokansium) unituberculatum.

AGE: Early Santonian.


Infraspecific taxa:


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