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Hystrichosphaeridium simplex

"Hystrichosphaeridium simplex" (White, 1842, p.38, pl.4, fig.10) Deflandre, 1946a, card 934.

TYPE: Holotype: White, 1842, pl.4, fig.10.

HISTORY: NOW: Dapsilidinium simplex. Originally Xanthidium tubiferum var. simplex (Appendix A), subsequently Xanthidium simplex (Appendix A), thirdly Hystrichosphaeridium simplex, fourthly Polysphaeridium? simplex, fifthly (and now) Dapsilidinium simplex.

AGE: Late Cretaceous.


Infraspecific taxa:


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