Obliquipithonella usheri
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"usheri" (Krasheninnikov and Basov, 1983, p.983, pl.7, figs.7-9; pl.8, figs.1-2) Lentin and Williams, 1989, p.400. Holotype: Krasheninnikov and Basov, 1983, pl.7, fig.7; pl.8, fig.1. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Maastrichtian.
Parent: Obliquipithonella
