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Obliquipithonella usheri

"Obliquipithonella usheri" (Krasheninnikov and Basov, 1983, p.983, pl.7, figs.7-9; pl.8, figs.1-2) Lentin and Williams, 1989, p.400.

TYPE: Holotype: Krasheninnikov and Basov, 1983, pl.7, fig.7; pl.8, fig.1.

HISTORY: NOW: Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella.

AGE: Maastrichtian.


Infraspecific taxa:


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