From Fensome et al., 2019:
Palaeoperidinium ?humile Xu Jinli, 1987, p.154, pl.2, figs.6,7a–b. Holotype: Xu Jinli, 1987, pl.2, figs.7a–b. Questionable assignment: Evitt et al. (1998, p.48). Age: ?Middle–Late Eocene.

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