Glaphyrocysta undulata
From dinoflaj2
"?undulata" (Eaton, 1976, p.248, pl.4, figs.4,6; pl.5, figs.2,4; text-figs.8c,9) Stover and Evitt, 1978, p.50. Holotype: Eaton, 1976, pl.4, figs.4,6; text-fig.9; Bujak et al., 1980, pl.9, figs.7-8; Fauconnier and Masure, 2004, pl.5, figs.1-3. NOW Areoligera. Originally (and now) Areoligera, subsequently Glaphyrocysta?. Questionable assignment: Stover and Evitt (1978, p.50). Age: Mid Eocene (see Aubry, 1986).
Parent: Glaphyrocysta