Palaeocystodinium australinum
From dinoflaj3
australinum (Cookson, 1965b, p.140, pl.25, figs.1–4) Lentin and Williams, 1976, p.89. Emendation: Malloy, 1972, p.63, as Svalbardella australina. Holotype: Cookson, 1965b, pl.25, fig.4. Originally Svalbardella, subsequently (and now) Palaeocystodinium. Age: Paleocene.