Hystrichodinium infundibulum

?infundibulum Jain et al., 1975, p.11–12, pl.3, fig.35.  Holotype: Jain et al., 1975, pl.3, fig.35.  Originally Hystrichodinium, subsequently (and now) Hystrichodinium?.  Questionable assignment: Stover and Evitt (1978, p.162).  N.I.A.  Age: Maastrichtian.

Parent: Hystrichodinium