Obliquipithonella rockeri

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"rockeri" (Bolli, 1974, p.854, pl.3, figs.5–8; pl.12, figs.4–6; pl.22, fig.2) Lentin and Williams, 1985, p.382.  Holotype: Bolli, 1974, pl.3, fig.5; pl.22, fig.2.  NOW Pirumella.  Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella.  Age: ?late Aptian–middle Albian.

Parent: Obliquipithonella