Cyclonephelium distinctum subsp. psilatum

"subsp. psilatum" (Yu Jingxian and Zhang Wangping, 1980, p.115, pl.6, figs.1–2) Lentin and Williams, 1985, p.86.  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.

Parent: Cyclonephelium distinctum