Huanghedinium magnum
From dinoflaj3
magnum Zhu Shenzhao, He Chengquan and Jin Guangxing in He Chengquan et al., 1989, p.47, pl.2, figs.19–20. Holotype: He Chengquan et al., 1989, pl.2, fig.20. Age: Early Tertiary.
Parent: Huanghedinium