Gonyaulacysta giga
From dinoflaj2
?giga Horowitz, 1970, p.178, pl.4, fig.20. Holotype: Horowitz, 1970, pl.4, fig.20. Originally Gonyaulacysta, subsequently Gonyaulacysta?. Questionable assignment: Stover and Evitt (1978, p.158) as a problematic species. N.I.A. Age: Late Jurassic-Early Cretaceous.
Parent: Gonyaulacysta