Surculosphaeridium polyozum
From dinoflaj3
"polyozum" (Brosius, 1963, p.45, pl.1, fig.6; pl.6, fig.5; text-figs.2a–d) Strauss and Lund, 1992, p.172. Holotype: Brosius, 1963, pl.1, fig.6. NOW Impletosphaeridium?. Originally Baltisphaeridium (Appendix A), subsequently Cleistosphaeridium?, thirdly Surculosphaeridium, fourthly (and now) Impletosphaeridium?. For etymology see under Impletosphaeridium? polyozum. Age: late Oligocene.
Parent: Surculosphaeridium