Membranilarnacia regulata (Jiabo, 1978, p.78, pl.27, figs.1–2) He Chengquan et al., 2009, p.354.

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

Holotype: Jiabo, 1978, pl.27, fig.1.
Age: Early Tertiary.