Difference between revisions of "Umbellasphaeridium huecospinosum Appendix A"

Revision as of 14:18, 2 December 2016

huecospinosum (Cramer, 1964, p.331, pl.6, fig.2; text-fig.36, no.7) Cramer and Diez, 1976, p.96.  Holotype: Cramer, 1964, pl.6, fig.2.  Originally Hystrichosphaeridium?, subsequently Baltisphaeridium? (combination not validly published, Appendix A), thirdly Florisphaeridium (Appendix A), fourthly (and now) Umbellasphaeridium.  Age: Devonian (Emsian).