Zhongyuandinium turbinatum subsp. pygmeum
From dinoflaj2
subsp. pygmeum Zhu Shenzhao, He Chengquan and Jin Guangxing in He Chengquan et al., 1989, p.75-76, pl.8, figs.1-4; text-fig.15. Holotype: He Chengquan et al., 1989, pl.8, fig.1; text-fig.15. Age: Early Tertiary. Parent: Zhongyuandinium turbinatum