Cleistosphaeridium polyozum

"?polyozum" (Brosius, 1963, p.45, pl.1, fig.6; pl.6, fig.5; text-figs.2a–d) Stover and Evitt, 1978, p.31–32.  Holotype: Brosius, 1963, pl.1, fig.6.  NOW Impletosphaeridium?.  Originally Baltisphaeridium (Appendix A), subsequently Cleistosphaeridium?, thirdly Surculosphaeridium, fourthly (and now) Impletosphaeridium.  Questionable assignment: Stover and Evitt (1978, p.31).  For etymology, see under Impletosphaeridium? polyozum.  Age: late Oligocene.

Parent: Cleistosphaeridium