Hystrichosphaeridium setigerfurcatum

"setigerfurcatum" Timofeev, 1959, p.52–53, pl.4, fig.6.  Holotype: Timofeev, 1959, pl.4, fig.6.  NOW Baltisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A), thirdly Archaeohystrichosphaeridium (combination not validly published; Appendix A).  Age: Early Ordovician.

Parent: Hystrichosphaeridium