Valvaeodinium koessenium

koessenium (Morbey, 1975, p.44, pl.15, figs.14a-b; pl.16, figs.1-2; text-fig.19a, nos.a-b; textfig.19b, no.i) Below, 1987b, p.66.  Holotype: Morbey, 1975, pl.15, figs.14a-b; text-fig.19a, no.a; Fensome et al., 1995, figs.1-3 - p.1589.  Originally Comparodinium, subsequently (and now) Valvaeodinium.  Taxonomic junior synonym: Comparodinium (subsequently Valvaeodinium) diacrorhaetium, according to Below (1987b, p.66).  Age: Rhaetian-Hettangian.

Parent: Valvaeodinium