Gonyaulacysta parorthoceras

"parorthoceras" Davey, 1968, p.1.  Holotype: Sarjeant, 1966b, pl.14, figs.5–6; text-fig.29, as Gonyaulacysta orthoceras; Jan du Chêne et al., 1986a, pl.26, figs.6–8.  NOW Cribroperidinium?.  Originally Gonyaulacysta, subsequently Millioudodinium, thirdly (and now) Cribroperidinium?.  Age: late Barremian.

Parent: Gonyaulacysta