Pirumella rockeri
From dinoflaj2
rockeri (Bolli, 1974, p.854, pl.3, figs.5-8; pl.12, figs.4-6; pl.22, fig.2) Lentin and Williams, 1993, p.521. Holotype: Bolli, 1974, pl.3, fig.5; pl.22, fig.2. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: ?Late Aptian-Mid Albian.
Parent: Pirumella