Visbysphaera microspinosa Appendix A
From dinoflaj2
"microspinosa" (Eisenack, 1954a, p.209-210, pl.1, fig.8) Lister, 1970, p.99. Holotype: Eisenack, 1954a, pl.1, fig.8. NOW Baltisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A), thirdly Lophosphaeridium (Appendix A), fourthly Visbysphaera, fifthly Buedingiisphaeridium (combination not validly published, Appendix A). Priewalder (1987, p.62) retained this species in Visbysphaera. Taxonomic junior synonym: Baltisphaeridium listeri Kiryanov, 1978, an acritarch species, according to Le Hérissé (1989, p.210). Age: Silurian (Late Llandovery).
Parent: Visbysphaera
