Pirumella porosa subsp. obturata

subsp. obturata (Pflaumann and Krasheninnikov, 1978, p.820, pl.3, figs.1a–b,2a–b,3) Lentin and Williams, 1993, p.520.  Holotype: Pflaumann and Krasheninnikov, 1978, pl.3, figs.1a–b.  Originally Pithonella porosa forma obturata, subsequently Obliquipithonella porosa forma obturata, thirdly (and now) Pirumella porosa subsp. obturata.  Age: latest Albian–Cenomanian.

Parent: Pirumella porosa