"Hystrichosphaeridium balticum" Eisenack, 1951, p.190, pl.3, figs.10-11.
TYPE: Holotype: Eisenack, 1951, pl.3, fig.10. HISTORY: NOW: Estiastra (Appendix A). Originally Hystrichosphaeridium, subsequently Pulvinosphaeridium (combination not validly published; Appendix A), thirdly Veryhachium (Appendix A), fourthly Goniosphaeridium (Appendix A), fifthly Baltisphaeridium (Appendix A), sixthly (and now) Estiastra (Appendix A). AGE: Early Ordovician.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |