Baltisphaeridium fluctuans Appendix A

fluctuans (Eisenack, 1938c, p.230–231, pl.16, figs.1–3) Lentin and Williams, 1993, p.699.  Holotype: Eisenack, 1938c, pl.16, fig.3.  Originally Bion (Appendix A), subsequently Hystrichosphaeridium, thirdly Polysphaeridium? (combination not validly published), fourthly (and now) Baltisphaeridium.  Age: Silurian.

Parent: Baltisphaeridium_Appendix A