Adnatosphaeridium robustum

robustum (Morgenroth, 1966a, p.19, pl.4, fig.1) de Coninck, 1975, p.47–48.  Holotype: Morgenroth, 1966a, pl.4, fig.1.  Originally Cannosphaeropsis, subsequently (and now) Adnatosphaeridium.  Eaton (1976, p.239) also proposed this combination.  Age: early Eocene.

Parent: Adnatosphaeridium