Cyclonephelium regulatum
From dinoflaj3
"regulatum" Jiabo, 1978, p.78, pl.27, figs.1–2. Holotype: Jiabo, 1978, pl.27, fig.1. NOW Membranilarnacia. Originally Cyclonephelium, subsequently Membranophoridium?, thirdly (and now) Membranilarnacia. Age: Early Tertiary.
Parent: Cyclonephelium