Aldridgeisphaera mutabilis Appendix A

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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