Baltisphaeridium eisenackianum Appendix A
From dinoflaj2
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: Mid Ordovician.
Parent: Baltisphaeridium
