Pithonella fusiformis
From dinoflaj3
"fusiformis" Rögl, 1976, p.702, pl.1, figs.12–14; pl.2, figs.9–12. Holotype: Rögl, 1976, pl.1, fig.12; pl.2, figs.9–10. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: early Paleocene (Danian).
Parent: Pithonella