From Fensome et al., 2019:
Oligosphaeridium 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.

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