Rhynchodiniopsis ambigua

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"ambigua" (Deflandre, 1939a, p.144, pl.6, fig.2) Sarjeant, 1982b, p.35.  Holotype: Deflandre, 1939a, pl.6, fig.2; Jan du Chêne et al., 1986a, pl.68, figs.1-3.  NOW Leptodinium.  Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly Rhynchodiniopsis, fifthly (and now) Leptodinium.  Age: Kimmeridgian.

Parent: Rhynchodiniopsis