Difference between revisions of "Pulvinosphaeridium oligospinosum Appendix A"

Latest revision as of 00:49, 1 September 2015

"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).