Pithonella cylindrica
From dinoflaj2
"cylindrica" Pflaumann and Krasheninnikov, 1978, p.822, pl.5, figs.1a-c,2a-b,3a-c,4a-c. Holotype: Pflaumann and Krasheninnikov, 1978, pl.5, figs. 4a-c. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Campanian-Maastrichtian.
Parent: Pithonella