Hystrichosphaeridium stellaeforme
From dinoflaj2
"stellaeforme" Timofeev, 1959, p.57, pl.4, fig.26. Holotype: Timofeev, 1959, pl.4, fig.26. NOW Baltisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A). Age: Early Ordovician.
Parent: Hystrichosphaeridium