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Hystrichosphaeridium longispinosum

"Hystrichosphaeridium longispinosum" Eisenack, 1931, p.110-111, pl.5, figs.6-17 ex Eisenack, 1938a, p.12-14.

TYPE: Holotype: Eisenack, 1931, pl.5, fig.10, as Ovum hispidum subsp. longispinosum, lost according to Eisenack (1959, p.194). Neotype: Eisenack, 1959, pl.15, fig.1, designated by Eisenack (1959, p.194).

HISTORY: NOW: Baltisphaeridium longispinosum (Appendix A). Originally Ovum hispidum subsp. longispinosum (name not validly published; Appendix A), subsequently Hystrichosphaera longispinosa (name not validly published), thirdly Hystrichosphaeridium longispinosum, fourthly (and now) Baltisphaeridium longispinosum (Appendix A), fifthly Micrhystridium longispinosum (combination not validly published; Appendix A).

COMMENTS: The name Ovum hispidum subsp. longispinosum was not validly published in Eisenack (1931) since the species name Ovum hispidum was not validly published.

AGE: Ordovician (erratic).


Infraspecific taxa:


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