Leptodinium tunellum Stover and Helby, 1987c, p.244-245, figs.16A-B,17A-I.
TYPE: Holotype: Stover and Helby, 1987c, figs.17A-C; Fensome et al., 1996, figs.1-3 - p.2415.
AGE: Hauterivian.