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Rhynchodiniopsis nannotrix
Rhynchodiniopsis? nannotrix (Deflandre, 1939) Sarjeant, 1982
Now Leptodinium. Originally Gonyaulax, subsequently Gonyaulacysta, thirdly Rhynchodiniopsis?, fourthly (and now) Leptodinium. At the time of the transfer, Sarjeant, 1982 considered this to be a "provisionally accepted species" of Rhynchodiniopsis. Jan du Chêne et al., 1986 recommended that the name of this species which is based on a single specimen, be restricted to the holotype.
Holotype: Deflandre, 1939, pl.6, fig.7; Jan du Chêne et al., 1986, pl.69, figs.4-6
Age: Kimmeridgian
Now Leptodinium. Originally Gonyaulax, subsequently Gonyaulacysta, thirdly Rhynchodiniopsis?, fourthly (and now) Leptodinium. At the time of the transfer, Sarjeant, 1982 considered this to be a "provisionally accepted species" of Rhynchodiniopsis. Jan du Chêne et al., 1986 recommended that the name of this species which is based on a single specimen, be restricted to the holotype.
Holotype: Deflandre, 1939, pl.6, fig.7; Jan du Chêne et al., 1986, pl.69, figs.4-6
Age: Kimmeridgian