Baltisphaeridium huecospinosum Appendix A

"?huecospinosum" (Cramer, 1964, p.331, pl.6, fig.2; text-fig.36, no.7) Cramer, 1966, p.238.  Holotype: Cramer, 1964, pl.6, fig.2.  Combination not validly published: basionym not fully referenced.  NOW Umbellasphaeridium (Appendix A).  Originally Hystrichosphaeridium?, subsequently Baltisphaeridium? (combination not validly published), thirdly Florisphaeridium (Appendix A), fourthly (and now) Umbellasphaeridium (Appendix A).  Questionable assignment: Cramer (1966, p.238).  Age: Devonian (Emsian).

Parent: Baltisphaeridium_Appendix A