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Hystrichosphaera borussica

"Hystrichosphaera borussica" Eisenack, 1954b, p.62, pl.9, figs.5-7.

TYPE: Holotype: Eisenack, 1954b, pl.9, fig.5.

HISTORY: NOW: Rottnestia. Originally Hystrichosphaera, subsequently (and now) Rottnestia, thirdly Triblastula, fourthly Hystrichosphaeropsis (combination not validly published).

SYNONYM(S): Taxonomic junior synonym: Hystrichosphaeropsis jubata (name not validly published), according to May (1980, p.24).

AGE: Early Oligocene.


Infraspecific taxa:


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