Impagidinium patulum
From dinoflaj3
patulum (Wall, 1967, p.105–106, pl.14, fig.20; pl.15, figs.1–4; text-fig.4) Stover and Evitt, 1978, p.166. Holotype: Wall, 1967, pl.14, fig.20; pl.15, figs.1–2. Originally Leptodinium, subsequently (and now) Impagidinium. Age: middle Miocene–Holocene.
