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Hystrichosphaera tubifera

"Hystrichosphaera tubifera" (Ehrenberg, 1838, pl.1, fig.16) O. Wetzel, 1933b, p.40.

EMENDATION: Davey and Williams, 1966b, p.56-58, as Hystrichosphaeridium tubiferum.

TYPE: Holotype: Ehrenberg, 1838, pl.1, fig.16.

STATUS: Combination not validly published: generic name not validly published until 1937.

HISTORY: NOW: Hystrichosphaeridium tubiferum. Originally Xanthidium tubiferum (Appendix A), subsequently Hystrichosphaera tubifera (combination not validly published), thirdly (and now) Hystrichosphaeridium tubiferum, fourthly Ovum hispidum tubiferum (combination not validly published; Appendix A).

SYNONYM(S): Taxonomic junior synonym: Xanthidium (as Hystrichokolpoma) bulbosum, according to Stover and Evitt (1978, p.55) - however, Lentin and Williams (1989, p.134) retained Xanthidium (as Hystrichokolpoma) bulbosum.

AGE: ?Late Cretaceous.


Infraspecific taxa:


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