From Fensome et al., 2019:
Operculodinium tenuissimum He Chengquan et al., 1992, p.187, pl.2, figs.7–12. Holotype: He Chengquan et al., 1992, pl.2, fig.7. Age: Albian.

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Original description (He Chengquan et al., 1992):