Leptodinium strialatum
From dinoflaj2
"strialatum" Wall, 1967, p.107-108, pl.15, figs.9-10; text-fig.5. Holotype: Wall, 1967, pl.15, fig.9. NOW Impagidinium. Originally Leptodinium, subsequently (and now) Impagidinium. Age: Mid Miocene-Holocene.
Parent: Leptodinium