Cyclonephelium eisenackii

"eisenackii" Davey, 1969a, p.170, pl.8, figs.3–4; pl.9, fig.4; text-figs.16a–b.  Holotype: Davey, 1969a, pl.8, fig.4.  NOW Pseudoceratium.  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 Cyclonephelium (as Aptea) eisenackii.  Age: late Albian.

Parent: Cyclonephelium