From Fensome et al., 2019:
Hystrichosphaeridium? gliwicense Macko, 1957, p.113, pl.71, figs.11–15; pl.72, fig.1. Holotype: not designated. Originally Hystrichosphaeridium, subsequently (and now) Hystrichosphaeridium?. Questionable assignment: Davey and Williams (1966b, p.70). Age: Miocene.

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