Trithyrodinium ornatum
From dinoflaj2
"ornatum" Felix and Burbridge, 1973, p.23-24, pl.4, fig.12. Holotype: Felix and Burbridge, 1973, pl.4, fig.12. NOW Ginginodinium. Originally Trithyrodinium, subsequently (and now) Ginginodinium. Age: Maastrichtian.
Parent: Trithyrodinium