Aldridgeisphaera mutabilis Appendix A
From dinoflaj2
mutabilis (Sannemann, 1955, p.331, pl.5, figs.5-6; text-figs.17a-d) Sarjeant and Vavrdova, 1997, p.6. Holotype: Sannemann, 1955, pl.5, fig.5. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Multiplicisphaeridium (Appendix A), fourthly (and now) Aldridgeisphaera. Age: Devonian (Late Givetian).
Parent: Aldridgeisphaera
