Obliquipithonella piriformis
From dinoflaj3
"piriformis" (Keupp, 1977, p.66–67, pl.23, figs.1–5; text-fig.7) Lentin and Williams, 1985, p.382. Holotype: information not available. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Tithonian.
Parent: Obliquipithonella