Glaphyrocysta circularis
From dinoflaj3
circularis Matsuoka, 1984a, p.378, pl.71, figs.2a–b,3,4a–b,5. Holotype: Matsuoka, 1984a, pl.71, fig.2a–b; Fauconnier and Masure, 2004, pl.32, fig.2. Age: middle Eocene.
Parent: Glaphyrocysta