Praecalcigonellum duopylum
From dinoflaj3
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