Membranophoridium regulatum
From dinoflaj2
?regulatum (Jiabo, 1978, p.78, pl.27, figs.1-2) Lentin and Williams, 1981, p.185. Holotype: Jiabo, 1978, pl.27, fig.1. Originally Cyclonephelium, subsequently (and now) Membranophoridium?. Questionable assignment: Lentin and Williams (1981, p.185). Age: Early Tertiary.
Parent: Membranophoridium