Impletosphaeridium digitale

digitale (He Chengquan, 1991, p.141, pl.25, figs.14–16; text-fig.26) Williams et al., 1998, p.332.  Holotype: He Chengquan, 1991, pl.25, fig.14.  Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium.  Age: early Eocene.

Parent: Impletosphaeridium