Achomosphaera membraniphora
From dinoflaj3
"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