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Appendix A

Micrhystridium pumile

"Micrhystridium pumile" (O. Wetzel, 1933b, p.44, pl.4, fig.24 ex Deflandre, 1937b, p.78) Downie and Sarjeant, 1965, p.133.

TYPE: Holotype: O. Wetzel, 1933b, pl.4, fig.24.

HISTORY: NOW: Diacrocanthidium? pumile (Appendix A). Originally Hystrichosphaera longispinosa forma pumilis (name not validly published), subsequently Hystrichosphaeridium pumile, thirdly Baltisphaeridium pumile (combination not validly published, Appendix A), fourthly Micrhystridium pumile, fifthly (and now) Diacrocanthidium? pumile (Appendix A).

AGE: Late Cretaceous (erratic).


Infraspecific taxa:


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