Gonyaulacysta giga

?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