Subtilisphaera circularis
From dinoflaj2
circularis He Chengquan in Zheng Yahui and He Chengquan, 1984, p.101, pl.6, figs.10-17. Holotype: Zheng Yahui and He Chengquan, 1984, pl.6, fig.12. Age: Late Cretaceous.
Parent: Subtilisphaera
