Buedingiisphaeridium microspinosum Appendix A
From dinoflaj3
"microspinosum" (Eisenack, 1954a, p.209–210, pl.1, fig.8) Gardiner and Vanguestaine, 1971, p.183–184. Holotype: Eisenack, 1954a, pl.1, fig.8. Combination not validly published: basionym not fully referenced. NOW Baltisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A), thirdly Lophosphaeridium (Appendix A), fourthly Visbysphaera (Appendix A), fifthly Buedingiisphaeridium (combination not validly published). Taxonomic junior synonym: Baltisphaeridium listeri Kiryanov, 1978, an acritarch species, according to Le Hérissé (1989, p.210). Age: Silurian (late Llandovery).
Parent: Buedingiisphaeridium_Appendix A