Palaeoperidinium ?rugosum He Chengquan in Zheng Yahui and He Chengquan, 1984, p.98, pl.7, figs.13–15.
Holotype: Zheng Yahui and He Chengquan, 1984, pl.7, fig.15.
Questionable assignment: Evitt et al. (1998, p.48).
Age: Late Cretaceous.