Hystrichosphaeridium eisenackii

"eisenackii" Sannemann, 1955, p.327–328, pl.4, figs.10,12; text-figs.8a–d.  Holotype: Sannemann, 1955, pl.4, fig.10.  NOW Multiplicisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Multiplicisphaeridium (Appendix A).  Age: Devonian (late Givetian).

Parent: Hystrichosphaeridium