Dilatisphaera laevigata Appendix A
From dinoflaj3
*laevigata Lister, 1970, p.66, pl.6, figs.10–12; text-figs.18,20d. Holotype: Lister, 1970, pl.6, fig.10. Originally (and now) Dilatisphaera, subsequently Hystrichosphaeridium. Cramer and Diez (1979, p.76) retained this species in Dilatisphaera. Age: Silurian (Wenlock).
Parent: Dilatisphaera_Appendix A