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Hystrichogonyaulax pennata
Hystrichogonyaulax pennata (Riley in Fisher and Riley, 1980) Lentin and Williams, 1981
Now Rhynchodiniopsis. Originally Gonyaulacysta, subsequently Hystrichogonyaulax, thirdly Millioudodinium, fourthly (and now) Rhynchodiniopsis.
This species name, as Gonyaulacysta pennata, was a nomen nudum in Fisher and Riley, 1976, who did not publish a description or illustration.
Holotype: Fisher and Riley, 1980, pl.1, figs.10-11; Jan du Chêne et al., 1986, pl.98, fig.5
Age: Late Kimmeridgian
Now Rhynchodiniopsis. Originally Gonyaulacysta, subsequently Hystrichogonyaulax, thirdly Millioudodinium, fourthly (and now) Rhynchodiniopsis.
This species name, as Gonyaulacysta pennata, was a nomen nudum in Fisher and Riley, 1976, who did not publish a description or illustration.
Holotype: Fisher and Riley, 1980, pl.1, figs.10-11; Jan du Chêne et al., 1986, pl.98, fig.5
Age: Late Kimmeridgian