Pirumella transitoria
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transitoria (Krasheninnikov and Basov, 1983, p.983, pl.7, figs.1-6) Lentin and Williams, 1993, p.522. Holotype: Krasheninnikov and Basov, 1983, pl.7, figs.1,6. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Campanian.
Parent: Pirumella