Gonyaulacysta setcheyensis

"setcheyensis" Sarjeant, 1976c, p.4–6, pl.1, fig.7; text-fig.1.  Holotype: Sarjeant, 1976c, pl.1, fig.7; Jan du Chêne et al., 1986a, pl.74, figs.1–4.  NOW Impagidinium.  Originally Gonyaulacysta, subsequently Leptodinium, thirdly Rhynchodiniopsis, fourthly (and now) Impagidinium.  Age: Kimmeridgian.

Parent: Gonyaulacysta