Visbysphaera erratica Appendix A

erratica (Eisenack, 1954a, p.209, pl.1, figs.6–7; text-fig.7) Lister, 1970, p.98.  Holotype: Eisenack, 1954a, pl.1, fig.6.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Visbysphaera, fourthly Multiplicisphaeridium (Appendix A).  Priewalder (1987, p.60) retained this species in Visbysphaera.  Age: Silurian (late Ludlow).

Parent: Visbysphaera_Appendix A