Cleistosphaeridium spissum

"spissum" McIntyre and Brideaux, 1980, p.20, pl.7, figs.1–9.  Holotype: McIntyre and Brideaux, 1980, pl.7, figs.1–4.  NOW Prolixosphaeridiopsis (Appendix A).  Originally Cleistosphaeridium, subsequently Prolixosphaeridium?, thirdly (and now) Prolixosphaeridiopsis (Appendix A).  Age: Valanginian.

Parent: Cleistosphaeridium