Dinogymnium parvitum
From dinoflaj3
"parvitum" Liu Zhili and Zheng Yuefang in Liu Zhili et al., 1992, p.67, pl.7, figs.26–28. Holotype: Liu Zhili et al., 1992, pl.7, fig.26. NOW Tetrachacysta. Originally Dinogymnium, subsequently (and now) Tetrachacysta. Age: Early Tertiary.
Parent: Dinogymnium