Cleistosphaeridium erectum

"?erectum" (Manum and Cookson, 1964, p.14, pl.3, figs.5–6) Stover and Evitt, 1978, p.31.  Holotype: Manum and Cookson, 1964, pl.3, fig.5.  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.

Parent: Cleistosphaeridium