Hystrichosphaeridium erectum
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"erectum" Manum and Cookson, 1964, p.14, pl.3, figs.5-6. 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?. Age: Albian-Turonian.
Parent: Hystrichosphaeridium