Pithonella parva
From dinoflaj2
"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