Diconodinium arcticum

"arcticum" Manum and Cookson, 1964, p.18–19, pl.6, figs.1–4.  Holotype: Manum and Cookson, 1964, pl.6, fig.1.  NOW Laciniadinium.  Originally Diconodinium, subsequently (and now) Laciniadinium.  Taxonomic junior synonym: Diconodinium acutum, according to Morgan (1977, p.126).  Age: Cenomanian.

Parent: Diconodinium