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Pithonella usheri

"Pithonella usheri" Krasheninnikov and Basov, 1983, p.983, pl.7, figs.7-9; pl.8, figs.1-2.

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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