Achomosphaera membraniphora
From dinoflaj2
"membraniphora" (Agelopoulos, 1964, p.674; text-figs.1-2) Eaton, 1976, p.237. Emendation: Eaton, 1976, p.237, as Achomosphaera membraniphora. Holotype: Agelopoulos, 1964, text-fig.1. NOW Hystrichostrogylon. Originally (and now) Hystrichostrogylon, subsequently Achomosphaera. Age: Late Eocene.
Parent: Achomosphaera