"Bion fluctuans" Eisenack, 1938c, p.230-231, pl.16, figs.1-3.
TYPE: Holotype: Eisenack, 1938c, pl.16, fig.3. HISTORY: NOW: Baltisphaeridium (Appendix A). Originally Bion, subsequently Hystrichosphaeridium, thirdly Polysphaeridium? (combination not validly published), fourthly (and now) Baltisphaeridium (Appendix A). AGE: Silurian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |