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Dinogymnium sphaerocephalum ssp. laeve
Dinogymnium sphaerocephalum ssp. laeve (Vozzhennikova, 1967) Lentin and Williams, 1973
Now Alisogymnium laeve. Originally Gymnodinium sphaerocephalum var. Iaevis, subsequently Dinogymnium sphaerocephalum ssp. Iaeve, thirdly (and now) Alisogymnium laeve.
Holotype: Vozzhennikova, 1967, pl.2, fig.5; Lentin and Vozzhennikova, 1990, pl.2, fig.7a (lost according to Lentin and Vozzhennikova, 1990)
Neotype: Harland, 1973, pl.85, figs.2-3 as Dinogymnium (originally Gymnodinium) longicornis (Vozzhennikova, 1967) Harland, 1973; Lentin and Vozzhennikova, 1990, pl.2, fig.76 (designated by Lentin and Vozzhennikova, 1990)
Age: Senonian
Now Alisogymnium laeve. Originally Gymnodinium sphaerocephalum var. Iaevis, subsequently Dinogymnium sphaerocephalum ssp. Iaeve, thirdly (and now) Alisogymnium laeve.
Holotype: Vozzhennikova, 1967, pl.2, fig.5; Lentin and Vozzhennikova, 1990, pl.2, fig.7a (lost according to Lentin and Vozzhennikova, 1990)
Neotype: Harland, 1973, pl.85, figs.2-3 as Dinogymnium (originally Gymnodinium) longicornis (Vozzhennikova, 1967) Harland, 1973; Lentin and Vozzhennikova, 1990, pl.2, fig.76 (designated by Lentin and Vozzhennikova, 1990)
Age: Senonian