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Cleistosphaeridium spissum

"Cleistosphaeridium spissum" McIntyre and Brideaux, 1980, p.20, pl.7, figs.1-9.

TYPE: Holotype: McIntyre and Brideaux, 1980, pl.7, figs.1-4.

HISTORY: NOW: Prolixosphaeridiopsis (Appendix A). Originally Cleistosphaeridium, subsequently Prolixosphaeridium?, thirdly (and now) Prolixosphaeridiopsis (Appendix A).

AGE: Valanginian.


Infraspecific taxa:


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