Pachysphaeridium balticum Appendix A
From dinoflaj2
balticum (Eisenack, 1951, p.190, pl.3, figs.10-11) Ribecai and Tongiorgi, 1999, p.122. Holotype: Eisenack, 1951, pl.3, fig.10. Originally Hystrichosphaeridium, subsequently Pulvinosphaeridium (combination not validly published, Appendix A), thirdly Veryhachium (Appendix A), fourthly Goniosphaeridium (Appendix A), fifthly Baltisphaeridium (Appendix A), sixthly Estiastra (Appendix A), seventhly (and now) Pachysphaeridium. Age: Early Ordovician.
Parent: Pachysphaeridium
