Pirumella williambensonii

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williambensonii (Bolli, 1978b, p.912-913, pl.2, figs.1-12; pl.3, figs.1-12) Williams et al., 1998, p.492-493.  Holotype: Bolli, 1978b, pl.2, figs.1-3.  Originally Bonetocardiella, subsequently Pithonella, thirdly Obliquipithonella, fourthly Orthopithonella, fifthly (and now) Pirumella.  Age: Oxfordian-Kimmeridgian.

Parent: Pirumella