Pulvinosphaeridium oligospinosum Appendix A

"oligospinosum" (Eisenack, 1934, p.64–65, pl.4, figs.15–18 ex Eisenack, 1938a, p.12) Eisenack, 1954a, p.210.  Holotype: Eisenack, 1934, pl.4, fig.18, lost according to Eisenack et al. (1973, p.494).  NOW Estiastra? oligospinosa (Appendix A).  Originally Ovum hispidum subsp. oligospinosum (name not validly published, Appendix A), subsequently Hystrichosphaeridium oligospinosum, thirdly Pulvinosphaeridium oligospinosum, fourthly Veryhachium oligospinosum (Appendix A), fifthly Goniosphaeridium oligospinosum (Appendix A), sixthly (and now) Estiastra? oligospinosa (Appendix A).  Age: Silurian (erratic).

Parent: Pulvinosphaeridium_Appendix A