From Fensome et al., 2019:
Hystrichodinium pulchrum ssp. globosum (Deflandre, 1936a, p.183, pl.9, figs.1–2) Lentin and Williams, 1973, p.70. Holotype: Deflandre, 1936a, pl.9, fig.2. Originally Hystrichodinium pulchrum var. globosum, subsequently (and now) Hystrichodinium pulchrum subsp. globosum. Age: Senonian.

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