Impagidinium patulum
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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: Mid Miocene-Holocene.
