Dinogymnium cavituberculatum Liu Zhili and Zheng Yuefang in Liu Zhili et al., 1992, p.66-67, pl.7, figs.11-12.

Taxonomic senior synonym: Tetrachacysta tuberculata, according to He Chengquan et al. (2009, p.377).

Holotype: Liu Zhili et al., 1992, pl.7, fig.11.
Age: early Tertiary.