Hystrichosphaeridium trifurcatum subsp. procerum
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"subsp. procerum" Sannemann, 1955, p.332, pl.5, fig.8; text-fig.18. Holotype: Sannemann, 1955, pl.5, fig.8. NOW Multiplicisphaeridium procerum (Appendix A). Originally Hystrichosphaeridium trifurcatum subsp. procerum, subsequently Baltisphaeridium trifurcatum subsp. procerum (Appendix A), thirdly (and now) Multiplicisphaeridium procerum (Appendix A). Age: Devonian (late Givetian).
Parent: Hystrichosphaeridium trifurcatum