Membranosphaera romaensis
From dinoflaj3
"romaensis" Burger, 1980a, p.74, pl.27, figs.1–3. Holotype: Burger, 1980a, pl.27, fig.3. NOW Kallosphaeridium?. Originally Membranosphaera, subsequently Kallosphaeridium, thirdly (and now) Kallosphaeridium?. Age: Aptian.
Parent: Membranosphaera