Impletosphaeridium digitale
From dinoflaj2
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