From Fensome et al., 2019:
Cyclonephelium variatum Jiabo, 1978, p.78–79, pl.27, figs.6–10. Holotype: Jiabo, 1978, pl.27, fig.6. NOW Membranilarnacia. Originally Cyclonephelium, subsequently Membranophoridium, thirdly (and now) Membranilarnacia. Age: early Tertiary.

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