Glaphyrocysta microfenestrata
From dinoflaj3
microfenestrata (Bujak, 1976, p.112, pl.3, fig.12; pl.4, figs.1–7; text-fig.3I) Stover and Evitt, 1978, p.50. Holotype: Bujak, 1976, pl.4, figs.4–5; Bujak et al., 1980, pl.14, fig.1; Fauconnier and Masure, 2004, pl.33, figs.2–3. Originally Cyclonephelium, subsequently (and now) Glaphyrocysta. Age: middle Eocene (see Aubry, 1986).