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:
