Geiselodinium miocenicum

?miocenicum Nagy, 1965, p.201, pl.1, fig.3; pl.2, fig.11.  Holotype: Nagy, 1965, pl.1, fig.3; pl.2, fig.11.  Questionable assignment: Stover and Evitt (1978, p.231).  Age: middle Miocene.

Parent: Geiselodinium