Saeptodinium tiandongense
From dinoflaj3
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