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Hystrichosphaeridium hymenoferum

"Hystrichosphaeridium hymenoferum" Eisenack, 1938a, p.19, pl.3, figs.2-5.

TYPE: Holotype: Eisenack, 1938a, pl.3, fig.2.

HISTORY: NOW: Peteinosphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Peteinosphaeridium (Appendix A).

AGE: Ordovician (erratic).


Infraspecific taxa:


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