Palaeoperidinium "?leptodermatum" Jin Guangxing, He Chengquan and Zhu Shenzhao in He Chengquan et al., 1989, p.58, pl.4, fig.23. Holotype: He Chengquan et al., 1989, pl.4, fig.23. Questionable assignment: Evitt et al. (1998, p.48).

Taxonomic senior synonym: Palaeoperidinium angularium, according to He Chengquan et al. (2009, p.399–400).
Age: Early Tertiary.