Pierceites pentagonus
From dinoflaj2
pentagonus (May, 1980, p.87-88, pl.10, figs.13-14) Habib and Drugg, 1987, p.762. Holotype: May, 1980, pl.10, figs.13-14. Originally Trithyrodinium, subsequently (and now) Pierceites. Age: Early Maastrichtian.
Parent: Pierceites