Pirumella miniaperta
From dinoflaj3
miniaperta (Krasheninnikov and Basov, 1983, p.983, pl.5, figs.1–8) Lentin and Williams, 1993, p.519. Holotype: Krasheninnikov and Basov, 1983, pl.5, figs.1,7. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Albian.
Parent: Pirumella