Baltisphaeridium huecospinosum Appendix A
From dinoflaj2
"?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
