Baltisphaeridium fluctuans (Eisenack, 1938c, p.230-231, pl.16, figs.1-3) Lentin and Williams, 1993, p.699.
TYPE: Holotype: Eisenack, 1938c, pl.16, fig.3. HISTORY: Originally Bion (Appendix A), subsequently Hystrichosphaeridium, thirdly Polysphaeridium? (combination not validly published), fourthly (and now) Baltisphaeridium. AGE: Silurian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |