Estiastra oligospinosa Appendix A

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?oligospinosa (Eisenack, 1934, p.64–65, pl.4, figs.15–18 ex Eisenack, 1938a, p.12) Jacobson and Achab, 1985, p.182.  Holotype: Eisenack, 1934, pl.4, fig.18, lost according to Eisenack et al. (1973, p.494).  Originally Ovum hispidum subsp. oligospinosum (name not validly published, Appendix A), subsequently Hystrichosphaeridium oligospinosum, thirdly Pulvinosphaeridium oligospinosum (Appendix A), fourthly Veryhachium oligospinosum (Appendix A), fifthly Goniosphaeridium oligospinosum (Appendix A), sixthly (and now) Estiastra? oligospinosum.  Questionable assignment: Jacobson and Achab (1985, p.182).  The name Ovum hispidum subsp. oligospinosa was not validly published in Eisenack (1934) since the specific name Ovum hispidum was not validly published.  Age: Silurian (erratic).

Parent: Estiastra_Appendix A