Impletosphaeridium cracens

cracens Eaton, 1976, p.306, pl.21, fig.6; text-fig.25E.  Holotype: Eaton, 1976, pl.21, fig.6; Bujak et al., 1980, pl.5, fig.4.  Age: early-middle Eocene (see Aubry, 1986).

Parent: Impletosphaeridium