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Circulodinium distinctum ssp. psilatum
Circulodinium distinctum ssp. psilatum, (Yu Jingxian and Zhang Wangping, 1980), Lentin and Williams, 1989
Originally Cyclonephelium distinetum var. psilatum, subsequently Cyclonephelium distinctum ssp. psilatum, thirdly (and now) Circulodinium distinctum ssp. psilatum.
The taxon was raised to the subspecies level, as Cyclonephelium distinctum ssp. psilatum, by Lentin and Williams, 1985.
Holotype: Yu Jingxian and Zhang Wangping, 1980, pl.4, fig.1
Age: Turonian-Santonian
Originally Cyclonephelium distinetum var. psilatum, subsequently Cyclonephelium distinctum ssp. psilatum, thirdly (and now) Circulodinium distinctum ssp. psilatum.
The taxon was raised to the subspecies level, as Cyclonephelium distinctum ssp. psilatum, by Lentin and Williams, 1985.
Holotype: Yu Jingxian and Zhang Wangping, 1980, pl.4, fig.1
Age: Turonian-Santonian