Pirumella porosa

porosa (Pflaumann and Krasheninnikov, 1978, p.820, pl.2, figs.4a-b,5a-c,6a-b,7) Lentin and Williams, 1993, p.520.  Holotype: Pflaumann and Krasheninnikov, 1978, pl.2, figs.4a-b.  Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella.  Age: Albian-Cenomanian.

Parent: Pirumella

Infrataxon List:

Pirumella porosa subsp. obturata
Pirumella porosa subsp. porosa