Kallosphaeridium aspersum (Jiabo, 1978, p.116, pl.31, figs.1-6; pl.49, figs.2-4) Sarjeant and Stancliffe, 1994, p.56.

Originally Filisphaeridium (Appendix A), subsequently (and now) Kallosphaeridium?. Questionable assignment: Sarjeant and Stancliffe (1994, p.56).

Holotype: Jiabo, 1978, pl.31, fig.1.
Age: Oligocene.