From Fensome et al., 2019:
Operculodinium centrocarpum ssp. minutum Mao Shaozhi, 1989, p.141–142, pl.29, figs.12–15,17–25,30–31. Holotype: Mao Shaozhi, 1989, pl.29, fig.15. Originally (and now) Operculodinium centrocarpum subsp. minutum, subsequently Opaeopsomus wapellensis subsp. minutus. Lentin and Williams (1993, p.465) inadvertently cited this taxon as Opaeopsomus wapellensis subsp. minutus. Age: Quaternary.

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