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Appendix A

Visbysphaera erratica

Visbysphaera erratica (Eisenack, 1954a, p.209, pl.1, figs.6-7; text-fig.7) T.R. Lister, 1970, p.98.

TYPE: Holotype: Eisenack, 1954a, pl.1, fig.6.

HISTORY: 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).


Infraspecific taxa:


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