Sentusidinium "densicomatum" (Maier, 1959, p.307–308, pl.29, figs.7–8) Sarjeant, 1983, p.111. Emendation: Sarjeant, 1983, p.111–113, as Sentusidinium densicomatum.

Now Pilosidinium. Originally Galea (generic name illegitimate), subsequently Baltisphaeridium (Appendix A), thirdly Impletosphaeridium, fourthly Impletosphaeridium?, fifthly Sentusidinium, sixthly (and now) Pilosidinium.
Holotype: Maier, 1959, pl.29, fig.7.
Age: middle Oligocene–middle Miocene.