Petalodinium lenisium
From dinoflaj3
lenisium Iakovleva, 2016, p.11 (on PDF initially published online), pl.7, figs.1–2; text-fig.4a (part). Holotype: Iakovleva, 2016, pl.7, figs.1–2. Age: earliest Eocene.
Parent: Petalodinium