Hystrichostrogylon membraniphorum
From dinoflaj2
*membraniphorum Agelopoulos, 1964, p.674; text-figs.1-2. Emendation: Eaton, 1976, p.237, as Achomosphaera membraniphora. Holotype: Agelopoulos, 1964, text-fig.1. Originally (and now) Hystrichostrogylon, subsequently Achomosphaera. Stover and Evitt (1978, p.165) retained this species in Hystrichostrogylon. Age: Late Eocene.
Parent: Hystrichostrogylon
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