Rhynchodiniopsis "saepitum" (Ashraf, 1979, p.128, pl.2, fig.27; pl.3, figs.1–3,5) Jan du Chêne et al., 1986a, p.288. Holotype: Ashraf, 1979 pl.3, fig.2. NOW Leptodinium. Originally (and now) Leptodinium, subsequently Hystrichogonyaulax, thirdly Rhynchodiniopsis, fourthly Ctenidodinium. Age: Late Jurassic (Malm).