Xanthidium simplex Appendix A
From dinoflaj2
"simplex" White, 1842, p.38, pl.4, fig.10. Holotype: White, 1842, pl.4, fig.10. NOW Dapsilidinium. Originally Xanthidium tubiferum var. simplex (Appendix A), subsequently Xanthidium simplex, thirdly Hystrichosphaeridium simplex, fourthly Polysphaeridium? simplex, fifthly (and now) Dapsilidinium simplex. Age: Late Cretaceous.
Parent: Xanthidium