Valvaeodinium diacrorhaetium

"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