Hystrichosphaeridium wimanii
From dinoflaj2
"wimanii" Eisenack, 1968, p.92, pl.24, figs.1-3. Holotype: Eisenack, 1968, pl.24, fig.2. NOW Palaeohystrichosphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Palaeohystrichosphaeridium (Appendix A). Age: Silurian (Llandovery).
Parent: Hystrichosphaeridium