Pterodinium cornutum

?cornutum Cookson and Eisenack, 1962b, p.490, pl.3, figs.1-6.  Holotype: Cookson and Eisenack, 1962b, pl.3, figs.1-3; Jan du Chêne et al., 1986a, pl.90, fig.1.  Originally Pterodinium, subsequently (and now) Pterodinium?, thirdly Gonyaulacysta.  Jan du Chêne et al. (1986a, p.274) questionably retained this species in Pterodinium.  Questionable assignment: Stover and Evitt (1978, p.183).  Age: Aptian-?Albian.

Parent: Pterodinium