Multiplicisphaeridium erraticum Appendix A
From dinoflaj2
"erraticum" (Eisenack 1954a, p.209, pl.1, figs.6-7; text-fig.7) Eisenack et al., 1973, p.621-622. Holotype: Eisenack, 1954a, pl.1, fig.6. NOW Visbysphaera (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Visbysphaera (Appendix A), fourthly Multiplicisphaeridium. Age: Silurian (Late Ludlow).
Parent: Multiplicisphaeridium