Hystrichosphaeridium trifurcatum subsp. procerum

"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