Cyclonephelium reductum
From dinoflaj3
"reductum" Châteauneuf, 1980, p.136, pl.21, fig.10. Holotype: Châteauneuf, 1980, pl.21, fig.10; Fauconnier and Masure, 2004, pl.18, figs.11–15. NOW Tenua Eisenack. Originally Cyclonephelium, subsequently (and now) Tenua Eisenack. Age: late Eocene (Marinesian–Ludian).
Parent: Cyclonephelium