From Williams et al., 2017:

[Palaeohystrichodinium, He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p. 56.

Type species: Palaeohystrichodinium elegans, He Chengquan et al., 1989 (pl.16, fig.4; text-fig.8)]