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Gonyaulacysta amabilis
amabile (Deflandre, 1939b, p.143, pl.6, fig.8) Sarjeant, 1969, p.12. Emendation: Kunz, 1990, p.18-19, as Leptodinium amabile.
Originally Gonyaulax (Motile stage), subsequently (and now) Leptodinium, thirdly Gonyaulacysta, fourthly Leptodinium?. Lentin and Williams (1973, p.86) retained this species in Leptodinium.
Questionable assignment: Stover and Evitt (1978, p.171) as a problematic species - however, Kunz (1990, p.18) included the species in Leptodinium without question.
Holotype: Deflandre, 1939b, pl.6, fig.8; Jan du Chêne et al., 1986a, pl.69, figs.1-3.
Age: Kimmeridgian.
Originally Gonyaulax (Motile stage), subsequently (and now) Leptodinium, thirdly Gonyaulacysta, fourthly Leptodinium?. Lentin and Williams (1973, p.86) retained this species in Leptodinium.
Questionable assignment: Stover and Evitt (1978, p.171) as a problematic species - however, Kunz (1990, p.18) included the species in Leptodinium without question.
Holotype: Deflandre, 1939b, pl.6, fig.8; Jan du Chêne et al., 1986a, pl.69, figs.1-3.
Age: Kimmeridgian.