Gonyaulacysta plea

"?plea" (Tasch in Tasch et al., 1964, p.196, pl.1, fig.15) Lentin and Williams, 1976, p.43.  Holotype: Tasch et al., 1964, pl.1, fig.15.  NOW Deflandrea?.  Originally Peridinium (Appendix B), subsequently (and now) Deflandrea?, thirdly Gonyaulacysta?.  Questionable assignment: Lentin and Williams (1976, p.43).  Age: Albian.

Parent: Gonyaulacysta