Oligosphaeridium homomorphum He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.53, pl.20, figs.16-17.
TYPE: Holotype: He Chengquan et al., 1989, pl.20, fig.17. AGE: Early Tertiary.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |