Hystrichosphaeridium brevispinosum subsp. castaneoides

"subsp. castaneoides" Sannemann, 1955, p.326, pl.4, figs.13-14; text-fig.3.  Holotype: Sannemann, 1955, pl.4, fig.13.  NOW Baltisphaeridium brevispinosum subsp. castaneoides (Appendix A).  Originally Hystrichosphaeridium brevispinosum subsp. castaneoides, subsequently (and now) Baltisphaeridium brevispinosum subsp. castaneoides (Appendix A).  Age: Devonian (Late Givetian). Parent: Hystrichosphaeridium brevispinosum