Baltisphaeridium eisenackianum Appendix A

eisenackianum (Deunff, 1959, p.23–24, pl.2, figs.26,30–31) Downie and Sarjeant, 1965, p.90.  Holotype: Deunff, 1959, pl.2, fig.26.  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium.  This combination was not validly published in Downie and Sarjeant (1963, p.90), since these authors did not fully reference the basionym.  Age: Middle Ordovician.

Parent: Baltisphaeridium_Appendix A

Infrataxon List:

Baltisphaeridium eisenackianum var. crozonense Appendix A
Baltisphaeridium eisenackianum var. eisenackianum Appendix A