Pithonella porosa forma obturata

"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