Membranosphaera rugosa
From dinoflaj3
rugosa Shaw Chenglong and Huang Tsengchieng, 1994, p.86–87, pl.44, figs.1–2. Holotype: Shaw Chenglong and Huang Tsengchieng, 1994, figs.1–2. Age: Early Cretaceous.
Parent: Membranosphaera