Pseudoceratium eisenackii
From dinoflaj2
eisenackii (Davey, 1969a, p.170-171, pl.8, figs.3-4; pl.9, fig.4; text-figs.16a-b) Bint, 1986, p.145. Holotype: Davey, 1969a, pl.8, fig.4. Originally Cyclonephelium, subsequently Aptea, thirdly (and now) Pseudoceratium. Taxonomic senior synonym: Aptea (now Pseudoceratium) polymorpha, according to Cookson and Eisenack (1974, p.74) - however, Below (1981a, p.7) retained Aptea eisenackii. Age: Late Albian.
Parent: Pseudoceratium