Hystrichosphaeridium tuberosum
From dinoflaj2
"tuberosum" Sannemann, 1955, p.345, pl.4, fig.17; text-fig.16. Holotype: Sannemann, 1955, pl.4, fig.17. NOW Baltisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A). Age: Devonian (Late Givetian).
Parent: Hystrichosphaeridium
