Membranophoridium variatum (Jiabo, 1978, p.78-79) Lentin and Williams, 1981, p.185

NOW Membranilarnacia. Originally Cyclonephelium, subsequently Membranophoridium, thirdly (and now) Membranilarnacia.

Holotype: Jiabo, 1978, pl.27, fig.6
Age: Early Tertiary