From Fensome et al., 2019:
Hystrichosphaeridium ?verbinense Courteville in Deflandre, 1946a, card 945. Holotype: Courteville in Deflandre, 1946a, card 945. Originally Hystrichosphaeridium, subsequently (and now) Hystrichosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.57) as a problematic species. Age: Late Cretaceous.

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