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Hystrichosphaeridium baciferum

"Hystrichosphaeridium baciferum" (Eisenack, 1934, p.66, pl.4, figs.20-21) Eisenack, 1938b, p.189.

TYPE: Holotype: Eisenack, 1934, pl.4, fig.20, lost according to Eisenack (1962, p.356). Neotype: Eisenack, 1962, pl.44, fig.3, designated by Eisenack (1962, p.356).

HISTORY: NOW: Bacisphaeridium (Appendix A). Originally Bion (Appendix A), subsequently Hystrichosphaeridium, thirdly Veryhachium (combination not validly published; Appendix A), fourthly (and now) Bacisphaeridium (Appendix A), fifthly Baltisphaeridium (combination not validly published; Appendix A).

AGE: Late Ordovician.


Infraspecific taxa:


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