Difference between revisions of "Hystrichosphaeridium balticum"
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Revision as of 14:39, 2 December 2016
"balticum" Eisenack, 1951, p.190, pl.3, figs.10-11. Holotype: Eisenack, 1951, pl.3, fig.10. NOW Pachysphaeridium (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 Estiastra (Appendix A), seventhly (and now) Pachysphaeridium (Appendix A). Age: Early Ordovician.
Parent: Hystrichosphaeridium