Obliquipithonella amplicrystallina

"amplicrystallina" (Pflaumann and Krasheninnikov, 1978, p.820, pl.3, figs.4a-c,5a-d,6a-d (not 7a-d) Lentin and Williams, 1985, p.380.  Holotype: Pflaumann and Krasheninnikov, 1978, pl.3, figs.5a-c.  NOW Pirumella.  Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella.  Age: Maastrichtian.

Parent: Obliquipithonella