Cyclonephelium distinctum var. psilatum
From dinoflaj2
"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. Parent: Cyclonephelium distinctum