Laciniadinium firmum

firmum (Harland, 1973, p.669-670, pl.84, figs.8-9,15; text-fig.6) Morgan, 1977, p.136.  Holotype: Harland, 1973, pl.84, fig.8.  Originally Diconodinium, subsequently (and now) Laciniadinium.  Lentin and Williams (1980, p.41) also proposed this combination.  Age: Late Campanian.

Parent: Laciniadinium