Baltisphaeridium fluctuans Appendix A

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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