Cleistosphaeridium solidum
From dinoflaj2
"?solidum" Yun Hyesu, 1981, p.43-44, pl.11, figs.9,13-14. Holotype: Yun Hyesu, 1981, pl.11, fig.13; Fensome et al., 1991, fig.2 - p.739. 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. Questionable assignment: Yun Hyesu (1981, p.43). Age: Early Santonian.
Parent: Cleistosphaeridium
