Cyclonephelium distinctum var. psilatum

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"var. psilatum" Yu Jingxian and Zhang Wangping, 1980, p.115, pl.6, figs.1-2.  Holotype: Yu Jingxian and Zhang Wangping, 1980, pl.6, fig.2.  NOW Circulodinium distinctum subsp. psilatum.  Originally Cyclonephelium distinctum var. psilatum, subsequently Cyclonephelium distinctum subsp. psilatum, thirdly (and now) Circulodinium distinctum subsp. psilatum.  Age: Turonian-Santonian.Cyclonephelium distinctum