Difference between revisions of "Goniosphaeridium balticum Appendix A"
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Latest revision as of 01:47, 1 September 2015
"balticum" (Eisenack, 1951, p.190, pl.3, figs.10-11) Eisenack, 1969a, p.258. Holotype: Eisenack, 1951, pl.3, fig.10, lost according to Eisenack et al. (1973, p.478). NOW Pachysphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently Pulvinosphaeridium (combination not validly published, Appendix A), thirdly Veryhachium (Appendix A), fourthly Goniosphaeridium, fifthly Baltisphaeridium (Appendix A), sixthly Estriastra (Appendix A), seventhly (and now) Pachysphaeridium (Appendix A). Eisenack et al. (1973, p.477-479) retained this species in Goniosphaeridium. Age: Early Ordovician.
Parent: Goniosphaeridium
