Hystrichosphaeridium mutabile
From dinoflaj2
"mutabile" Sannemann, 1955, p.331, pl.5, figs.5-6; text-figs.17a-d. Holotype: Sannemann, 1955, pl.5, fig.5. NOW Aldridgeisphaera (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Multiplicisphaeridium? (Appendix A), fourthly (and now) Aldridgeisphaera (Appendix A). Age: Devonian (Late Givetian).
Parent: Hystrichosphaeridium
