Valvaeodinium diacrorhaetium
From dinoflaj2
"diacrorhaetium" (Morbey, 1975, p.44, pl.16, figs.3-6; text-figs.20a-b) Lentin and Williams, 1989, p.380. Holotype: Morbey, 1975, pl.16, figs.3-6; text-fig.20a. Originally Comparodinium, subsequently Valvaeodinium. Taxonomic senior synonym: Comparodinium (as and now Valvaeodinium) koessenium, according to Below (1987b, p.66). Age: Rhaetian.
Parent: Valvaeodinium