Operculodinium zhongyuanense
From dinoflaj3
zhongyuanense He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.56, pl.17, figs.16–25; pl.30, fig.2; text-fig.7. Holotype: He Chengquan et al., 1989, pl.17, fig.20; text-fig.7. Age: Early Tertiary.
Parent: Operculodinium