Pithonella parva
From dinoflaj3
"parva" Fütterer, 1984, p.536–537, pl.3, figs.1–10; pl.4, figs.8–9. Holotype: Fütterer, 1984, pl.3, figs.3,6,10. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Danian–early Pleistocene.
Parent: Pithonella