Kallosphaeridium reticuloidum

?reticuloidum (Jiabo, 1978, p.115–116, pl.31, figs.18–19) Sarjeant and Stancliffe, 1994, p.56.  Holotype: Jiabo, 1978, pl.31, fig.19.  Originally Baltisphaeridium (Appendix A), subsequently Filisphaeridium (Appendix A), thirdly (and now) Kallosphaeridium?.  Questionable assignment: Sarjeant and Stancliffe (1994, p.56).  Age: late Oligocene.

Parent: Kallosphaeridium