Cordosphaeridium operculatum

operculatum He Chengquan, 1991, p.166-167, pl.14, figs.4-6; text-figs.40a-b.  Holotype: He Chengquan, 1991, pl.14, fig.5; text-fig.40b.  He Chengquan (1991, p.166) included this species in Cordosphaeridium subgenus Tarimocystium.  Age: Mid Eocene.

Parent: Cordosphaeridium