Baltisphaeridium tschunense Appendix A

tschunense (Timofeev, 1962, caption to pl.11, fig.1) Downie and Sarjeant, 1965, p.98.  Holotype: Timofeev, 1962, pl.11, fig.1.  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium.  Age: Mid Ordovician.

Parent: Baltisphaeridium