Aldridgeisphaera robusta Appendix A
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?robusta (Sannemann, 1955, p.331, pl.1, figs.6,8-9; pl.6, figs.7-9; text-figs.13-14a-c) Sarjeant and Vavrdova, 1997, p.6. Holotype: Sannemann, 1955, pl.6, fig.7. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (combination illegitimate, Appendix A), thirdly Multiplicisphaeridium (Appendix A), fourthly (and now) Aldridgeisphaera?. Questionable assignment: Sarjeant and Vavrdova (1997, p.6). Age: Devonian (Late Givetian).
Parent: Aldridgeisphaera
