Gonyaulacysta cornuta

"cornuta" (Cookson and Eisenack, 1962b, p.490, pl.3, figs.1-6) Yun Hyesu, 1981, p.10.  Holotype: Cookson and Eisenack, 1962b, pl.3, figs.1-3; Jan du Chêne et al., 1986a, pl.90, fig.1.  NOW Pterodinium?.  Originally Pterodinium, subsequently (and now) Pterodinium?, thirdly Gonyaulacysta.  Age: Albian-?Aptian.

Parent: Gonyaulacysta