Hystrichosphaeridium franconium
From dinoflaj3
"franconium" Sannemann, 1955, p.328, pl.3, fig.1; pl.5, figs.1–2. Holotype: Sannemann, 1955, pl.5, fig.1. NOW Baltisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A). Age: Devonian (late Givetian).
Parent: Hystrichosphaeridium