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Pithonella porosa forma obturata

"Pithonella porosa forma obturata" Pflaumann and Krasheninnikov, 1978, p.820, pl.3, figs.1a-b,2a-b,3.

TYPE: Holotype: Pflaumann and Krasheninnikov, 1978, pl.3, figs.1a-b.

HISTORY: 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.


Infraspecific taxa:


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DINOFLAJ (c) 1998