Obliquipithonella trilamellata

"trilamellata" (Pflaumann and Krasheninnikov, 1978, p.821, pl.6, figs.3a–c,4a–b,5a–c,7a–b; pl.7, figs.1a–c,2) Lentin and Williams, 1985, p.383.  Holotype: Pflaumann and Krasheninnikov, 1978, pl.6, figs.3a–c.  Originally Pithonella, subsequently Obliquipithonella.  Taxonomic senior synonym: Pithonella (now Pirumella) robinsonii, according to Keupp (1982, p.325).  Age: Valanginian to ?Aptian–Albian.

Parent: Obliquipithonella