Membranilarnacia regulata
From dinoflaj3
regulata (Jiabo, 1978, p.78, pl.27, figs.1–2) He Chengquan et al., 2009, p.354. Holotype: Jiabo, 1978, pl.27, fig.1. Originally Cyclonephelium, subsequently Membranophoridium?, thirdly (and now) Membranilarnacia. Age: Early Tertiary.
Parent: Membranilarnacia