Pirumella porosa subsp. obturata (Pflaumann and Krasheninnikov, 1978, p.820, pl.3, figs.1a-b,2a-b,3) Lentin and Williams, 1993, p.520.
TYPE: Holotype: Pflaumann and Krasheninnikov, 1978, pl.3, figs.1a-b. HISTORY: Originally Pithonella porosa forma obturata, subsequently Obliquipithonella porosa forma obturata, thirdly (and now) Pirumella porosa subsp. obturata. AGE: latest Albian-Cenomanian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |