Dinogymnium cerviculum
From dinoflaj3
"cerviculum" Cookson and Eisenack, 1970a, p.138, pl.10, fig.6. Holotype: Cookson and Eisenack, 1970a, pl.10, fig.6; Lentin and Vozzhennikova, 1990, Appendix A, fig.34. NOW Alisogymnium. Originally Dinogymnium, subsequently (and now) Alisogymnium. Age: Senonian.
Parent: Dinogymnium