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Appendix A

Lophosphaeridium microspinosum

"Lophosphaeridium microspinosum" (Eisenack, 1954a, p.209-210, pl.1, fig.8) Downie, 1963, p.631.

TYPE: Holotype: Eisenack, 1954a, pl.1, fig.8.

HISTORY: NOW: Baltisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A), thirdly Lophosphaeridium, fourthly Visbysphaera (Appendix A), fifthly Buedingiisphaeridium (combination not validly published, Appendix A).

SYNONYM(S): Taxonomic junior synonym: Baltisphaeridium listeri Kiryanov, 1978, according to Le Hérissé (1989, p.210).

AGE: Silurian (Late Llandovery).


Infraspecific taxa:


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