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Appendix A

Aldridgeisphaera robusta subsp. robusta

Aldridgeisphaera robusta subsp. robusta Autonym.

TYPE: Holotype: Sannemann, 1955, pl.6, fig.7.

HISTORY: Originally Hystrichosphaeridium robustum subsp. robustum, subsequently Multiplicisphaeridium robustum subsp. robustum, thirdly (and now) Aldridgeisphaera? robusta subsp. robusta.


Infraspecific taxa:


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