Bion fluctuans Appendix A
From dinoflaj2
"fluctuans" Eisenack, 1938c, p.230-231, pl.16, figs.1-3. Holotype: Eisenack, 1938c, pl.16, fig.3. NOW Baltisphaeridium (Appendix A). Originally Bion, subsequently Hystrichosphaeridium, thirdly Polysphaeridium? (combination not validly published), fourthly (and now) Baltisphaeridium (Appendix A). Age: Silurian.
Parent: Bion
