Hystrichosphaeridium erectum
From dinoflaj3
"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