Leptodinium antigonium

?antigonium Ioannides et al., 1977, p.456–457, pl.3, figs.7–8; text-fig.10.  Holotype: Ioannides et al., 1977, pl.3, fig.8; Jan du Chêne et al., 1986a, pl.74, figs.7–8.  Originally Leptodinium, subsequently (and now) Leptodinium?.  Questionable assignment: Stover and Evitt (1978, p.170).  Age: Kimmeridgian.

Parent: Leptodinium