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: middle Eocene.

Parent: Cordosphaeridium