Sinocysta macrocephala
From dinoflaj2
"macrocephala" Jin Guangxing, He Chengquan and Zhu Shenzhao in He Chengquan et al., 1989, p.69, pl.6, figs.23-25. Holotype: He Chengquan et al., 1989, pl.6, fig.24. NOW Laciniadinium. Originally Sinocysta, subsequently (and now) Laciniadinium. Age: Early Tertiary.
Parent: Sinocysta