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Pirumella porosa

Pirumella porosa (Pflaumann and Krasheninnikov, 1978, p.820, pl.2, figs.4a-b,5a-c,6a-b,7) Lentin and Williams, 1993, p.520.

TYPE: Holotype: Pflaumann and Krasheninnikov, 1978, pl.2, figs.4a-b.

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

AGE: Albian-Cenomanian.


Infraspecific taxa:


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