Dictyotidium asperatum Appendix A
From dinoflaj3
"asperatum" Jiabo, p.110, pl.41, figs.18–20. Holotype: Jiabo, pl.41, fig.18. NOW Pyxidinopsis. Originally Dictyotidium, subsequently (and now) Pyxidinopsis. Age: late Eocene–early Oligocene.
Parent: Dictyotidium_Appendix A