Hystrichosphaeridium brevispinosum subsp. castaneoides
From dinoflaj2
"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