Praecalcigonellum duopylum
From dinoflaj2
duopylum Willems, 1995b, p.146,148-150, figs.1a-e; fig.2, nos.1-6; fig.3, nos.1-7. Holotype: Willems, 1995b, fig.2, nos.1-4; fig.3, nos.5-6. Age: earliest Danian.
Parent: Praecalcigonellum