Stomodinium suturispinosum
From dinoflaj2
"suturispinosum" He Chengquan, 1991, p.120, pl.13, fig.8. Holotype: He Chengquan, 1991, pl.13, fig.8. NOW Xenicodinium. Originally Stomodinium, subsequently (and now) Xenicodinium. Age: Early Eocene.
Parent: Stomodinium