Obliquipithonella bilamellata
From dinoflaj2
"bilamellata" (Pflaumann and Krasheninnikov, 1978, p.822, pl.5, figs.5,6a-d; pl.6, figs.1a-b,2a-b) Lentin and Williams, 1985, p.380. Holotype: Pflaumann and Krasheninnikov, 1978, pl.5, figs.6a-d. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Campanian-Early Maastrichtian.
Parent: Obliquipithonella
