Leptodinium hadrum

?hadrum (Sarjeant, 1966b, p.119–121, pl.14, fig.1; text-fig.28) Helenes, 1984, p.131.  Holotype: Sarjeant, 1966b, pl.14, fig.1.  Originally Gonyaulacysta, subsequently Millioudodinium, thirdly Rhynchodiniopsis, fourthly (and now) Leptodinium?.  Questionable assignment: Helenes (1984, p.131).  Age: late Barremian.

Parent: Leptodinium