Dapsilidinium simplex
From dinoflaj3
?simplex (White, 1842, p.38, pl.4, fig.10) Bujak et al., 1980, p.28. Holotype: White, 1842, pl.4, fig.10. Originally Xanthidium tubiferum var. simplex (Appendix A), subsequently Xanthidium simplex (Appendix A), thirdly Hystrichosphaeridium simplex, fourthly Polysphaeridium? simplex, fifthly (and now) Dapsilidinium simplex. Questionable assignment: Stover and Williams (1987, p.70). Age: Late Cretaceous.
Parent: Dapsilidinium