Gymnodinium parvimarginatum Appendix B
From dinoflaj3
"parvimarginatum" Cookson and Eisenack, 1958, p.24, pl.1, fig.6. Holotype: Cookson and Eisenack, 1958, pl.1, fig.6; Jan du Chêne et al., 1986a, pl.112, figs.10–12. NOW Scriniodinium. Originally Gymnodinium, subsequently (and now) Scriniodinium. Age: Late Jurassic.
Parent: Gymnodinium_Appendix B