Pithonella porosa forma obturata

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"forma obturata" Pflaumann and Krasheninnikov, 1978, p.820, pl.3, figs.1a-b,2a-b,3. Holotype: Pflaumann and Krasheninnikov, 1978, pl.3, figs.1a-b. NOW Pirumella porosa subsp. obturata. Originally Pithonella porosa forma obturata, subsequently Obliquipithonella porosa subsp. obturata, thirdly (and now) Pirumella porosa subsp. obturata. Age: latest Albian-Cenomanian. Parent: Pithonella porosa

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