Hystrichosphaera longispinosa
"longispinosa" (Eisenack, 1931, p.110-111, pl.5, figs.6-17) Wetzel, 1932, caption to pl.3, fig.12 - p.144. 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)). Name not validly published: generic name not validly published until 1937. 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). The name Hystrichosphaera longispinosa was not validly published also in Wetzel (1933b, p.44) since the generic name Hystrichosphaera was not validly published until 1937. Age: Ordovician (erratic).
Parent: Hystrichosphaera
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