Zhongyuandinium biconicum Zhu Shenzhao, He Chengquan and Jin Guangxing in He Chengquan et al., 1989, p.72, pl.8, fig.15.
TYPE: Holotype: He Chengquan et al., 1989, pl.8, fig.15. AGE: Early Tertiary.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |