Gonyaulacysta gongylos

"gongylos" Sarjeant, 1966b, p.111–113, pl.13, figs.1–2; text-fig.23.  Holotype: Sarjeant, 1966b, pl.13, figs.1–2; text-fig.23; Jan du Chêne et al., 1986a, pl.93, figs.10–13.  NOW Rhynchodiniopsis.  Originally Gonyaulacysta, subsequently Leptodinium?, thirdly (and now) Rhynchodiniopsis.  N.I.A.  Age: early Oxfordian.

Parent: Gonyaulacysta