Gonyaulacysta extensa

"extensa" Clarke and Verdier, 1967, p.30, pl.4, figs.7–9; text-fig.11.  Holotype: Clarke and Verdier, 1967, pl.4, figs.8–9.  Taxonomic senior synonym: Psaligonyaulax deflandrei, according to Clarke et al. (1968, p.181).  Age: Cenomanian.

Parent: Gonyaulacysta