Membranosphaera maastrichtica var. pilata
From dinoflaj2
"var. pilata" Samoilovitch in Samoilovitch and Mtchedlishvili, 1961, p.253, pl.83, figs.3,4a-d. Holotype: Samoilovitch and Mtchedlishvili, 1961, pl.83, fig.3. NOW Membranosphaera maastrichtica subsp. pilata. Originally Membranosphaera maastrichtica var. pilata, subsequently (and now) Membranosphaera maastrichtica subsp. pilata. Age: Santonian-Maastrichtian. Parent: Membranosphaera maastrichtica