Hystrichosphaeridium penicillatum
"?penicillatum" (Ehrenberg, 1843b, p.62 ex Ehrenberg, 1854, pl.37, section 8, fig.3) Deflandre, 1937b, p.75. Holotype: Ehrenberg, 1854, pl.37, section 8, fig.3. NOW Systematophora penicillata. Originally Xanthidium penicillatum (Appendix A), subsequently Hystrichosphaera penicillata (combination not validly published), thirdly Hystrichosphaeridium penicillatum, fourthly Ovum hispidum penicillatum (combination not validly published; Appendix A), fifthly Hystrichosphaeridium? penicillatum, sixthly (and now) Systematophora penicillata. Questionable assignment: Stover and Evitt (1978, p.56) as a problematic species. Taxonomic junior synonym: Systematophora fasciculigera, according to Sarjeant (1980a, p.282). Age: late Oxfordian.
Parent: Hystrichosphaeridium
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