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Appendix A

Visbysphaera gotlandica

Visbysphaera gotlandica (Eisenack, 1954a, p.209, pl.1, fig.5; text-fig.6) Kiryanov, 1978, p.87-88.

TYPE: Holotype: Eisenack, 1954a, pl.1, fig.5.

HISTORY: Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Multiplicisphaeridium (Appendix A), fourthly (and now) Visbysphaera.

SYNONYM(S): Taxonomic junior synonym: Baltisphaeridium peltatum Cramer, 1966, an acritarch species, according to Cramer (1970, p.157).

COMMENTS: This combination was not validly published in T.R. Lister (1970, p.98) since that author did not clearly use the name Visbysphaera gotlandica.

AGE: Silurian (Late Llandovery).


Infraspecific taxa:


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