Tectatodinium simplex
From dinoflaj2
"simplex" (Harland, 1979b, p.537-538, pl.3, figs.12-15) Edwards, 1984, p.587. Holotype: Harland, 1979b, pl.3, fig.12. NOW Pyxidiella?. Originally (and now) Pyxidiella?, subsequently Tectatodinium. Age: Late Miocene.
Parent: Tectatodinium