Oligosphaeridium xinjiangense
From dinoflaj2
xinjiangense He Chengquan, 1991, p.133-134, pl.26, figs.15-16; pl.59, figs.5-6; text-fig.23. Holotype: He Chengquan, 1991, pl.26, fig.16; text-fig.23. Age: Paleocene-Mid Eocene.
Parent: Oligosphaeridium
