Dictyotidium rugireticulatum Liu Zhili and Zheng Yuefang in Liu Zhili et al. 1992, p.92, pl.20, figs.18–20.

Taxonomic senior synonym: Pyxidinopsis minor, according to He Chengquan et al. (2009, p. 244).

Holotype: Liu Zhili et al. 1992, pl.20, fig.19.
Age: Oligocene.