Saeptodinium tiandongense
From dinoflaj2
tiandongense He Chengquan and Qian Zeshu, 1979, p.177, pl.1, figs.6-7a-b. Holotype: He Chengquan and Qian Zeshu, 1979, pl.1, fig.7. Age: Late Eocene-Oligocene.
Parent: Saeptodinium