Pithonella porosa

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"porosa" Pflaumann and Krasheninnikov, 1978, p.820, pl.2, figs.44a-b,5a-c,6a-b,7; pl.3, figs.1a-b,2a-b,3.  Holotype: Pflaumann and Krasheninnikov, 1978, pl.2, figs.4a-b.  NOW Pirumella.  Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella.  Age: Albian-Cenomanian.

Parent: Pithonella

Infrataxon List: