Pithonella amplicrystallina
From dinoflaj3
"amplicrystallina" Pflaumann and Krasheninnikov, 1978, p.820, pl.3, figs.4a–c,5a–d,6a–d (not 7a–d). Holotype: Pflaumann and Krasheninnikov, 1978, pl.3, figs.5a–c. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Maastrichtian.
Parent: Pithonella