Gonyaulacysta eisenackii subsp. oligodentata

"subsp. oligodentata" (Cookson and Eisenack, 1958, p.30, pl.2, fig.11) Sarjeant, 1972, p.17.  Holotype: Cookson and Eisenack, 1958, pl.2, fig.11; Jan du Chêne et al., 1986a, pl.125, figs.10-11.  Originally Gonyaulax eisenackii subsp. oligodentata (Appendix B), subsequently Gonyaulacysta eisenackii subsp. oligodentata, thirdly Endoscrinium eisenackii subsp. oligodentatum, fourthly Tubotuberella eisenackii subsp. oligodentata.  Taxonomic senior synonym: Gonyaulax (as Gonyaulacysta) eisenackii subsp. eisenackii, according to Sarjeant (1982b, p.32).  Age: Late Jurassic. Parent: Gonyaulacysta eisenackii