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Cystodiniopsis hyperxantha
Cystodiniopsis hyperxantha Vozzhennikova, 1963
Now Palaeocystodinium?. Originally Cystodiniopsis, subsequently Palaeocystodinium, thirdly (and now) Palaeocystodinium?.
Holotype: Vozzhennikova, 1963, fig.20 (lost according to Lentin and Vozzhennikova, 1990)
Lectotype: Vozzhennikova, 1967 (not illustrated) and Lentin and Vozzhennikova, 1990, pl.7, fig.7; text-fig.31 (designated by Lentin and Vozzhennikova, 1990)
Locus typicus: Western Siberia, USSR
Stratum typicum: Palaeocene
Translation Vozzhennikova, 1963: Lentin and Vozzhennikova, 1990
Original description: Vozzhennikova, 1963, p.185
Theca with the middle part closely applied to the elliptical internal body and with the anterior and posterior ends drawn out into long processes truncated at the distal end. Theca and internal body thin walled, their surface is smooth or finely dotted, colored deeply or pale yellow. Pylome absent.
Now Palaeocystodinium?. Originally Cystodiniopsis, subsequently Palaeocystodinium, thirdly (and now) Palaeocystodinium?.
Holotype: Vozzhennikova, 1963, fig.20 (lost according to Lentin and Vozzhennikova, 1990)
Lectotype: Vozzhennikova, 1967 (not illustrated) and Lentin and Vozzhennikova, 1990, pl.7, fig.7; text-fig.31 (designated by Lentin and Vozzhennikova, 1990)
Locus typicus: Western Siberia, USSR
Stratum typicum: Palaeocene
Translation Vozzhennikova, 1963: Lentin and Vozzhennikova, 1990
Original description: Vozzhennikova, 1963, p.185
Theca with the middle part closely applied to the elliptical internal body and with the anterior and posterior ends drawn out into long processes truncated at the distal end. Theca and internal body thin walled, their surface is smooth or finely dotted, colored deeply or pale yellow. Pylome absent.