Rhynchodiniopsis confusa
From dinoflaj2
"?confusa" (Vozzhennikova, 1967, p.80, pl.17, figs.1a-b; pl.25, figs.4-5; pl.27, figs.3-4) Sarjeant, 1982b, p.36. Holotype: Vozzhennikova, 1967, pl.25, fig.5, lost according to Lentin and Vozzhennikova (1990, p.93). NOW Apteodinium. Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta, thirdly Millioudodinium?, fourthly Rhynchodiniopsis?, fifthly (and now) Apteodinium. Questionable assignment: Sarjeant (1982b, p.36). Age: Late Jurassic.
Parent: Rhynchodiniopsis