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Appendix A

Micrhystridium longispinosum

"Micrhystridium longispinosum" (Eisenack, 1931, p.110-111, pl.5, figs.6-17 ex O. Wetzel, 1933b, p.44) Cramer et al., 1979, p.42.

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

STATUS: Combination not validly published: basionym not fully referenced.

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 (name not validly published).

AGE: Ordovician (Early Caradoc).


Infraspecific taxa:


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