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Cleistosphaeridium erectum

"Cleistosphaeridium? erectum" (Manum and Cookson, 1964, p.14, pl.3, figs.5-6) Stover and Evitt, 1978, p.31.

TYPE: Holotype: Manum and Cookson, 1964, pl.3, fig.5.

HISTORY: NOW: Kiokansium?. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cordosphaeridium?, fourthly Cleistosphaeridium?, fifthly (and now) Kiokansium?. Questionable assignment: Stover and Evitt (1978, p.31).

AGE: Albian-Turonian.


Infraspecific taxa:


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