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Appendix A

Baltisphaeridium malum

"Baltisphaeridium malum" Cramer, 1964, p.297, pl.1, figs.6,8,10; text-fig.19, nos.10-12.

TYPE: Holotype: Cramer, 1964, pl.1, fig.8.

HISTORY: NOW: Rhacobrachion (Appendix A). Originally Baltisphaeridium, subsequently Evittia Brito (Appendix A), thirdly Hystrichosphaeridium (combination not validly published), fourthly Multiplicisphaeridium (Appendix A), fifthly (and now) Rhacobrachion (Appendix A).

AGE: Silurian (Ludlow).


Infraspecific taxa:


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