Oligosphaeridium homomorphum
From dinoflaj2
homomorphum He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.53, pl.20, figs.16-17. Holotype: He Chengquan et al., 1989, pl.20, fig.17. Age: Early Tertiary.
Parent: Oligosphaeridium
