Pirumella irregularis

irregularis (Akselman and Keupp, 1990, p.172–173,175–178, pl.1, figs.1–19; text-fig.2) Williams et al., 1998, p.488.  Holotype: Akselman and Keupp, 1990, pl.1, fig.3.  Originally Obliquipithonella, subsequently (and now) Pirumella. Motile equivalent: Scrippsiella patagonica Akselman and Keupp, 1990, according to Akselman and Keupp (1990, p.169).  Age: extant.

Parent: Pirumella