Orthopithonella williambensonii

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"williambensonii" (Bolli, 1978b, p.912-913, pl.2, figs.1-12; pl.3, figs.1-12 ex Keupp, 1981, p.65) Willems, 1988, p.449.  Holotype: Bolli, 1978b, pl.2, figs.1-3.  NOW Pirumella.  Originally Bonetocardiella (name not validly published), subsequently Pithonella, thirdly Obliquipithonella, fourthly Orthopithonella, fifthly (and now) Pirumella.  Age: Oxfordian-Kimmeridgian.

Parent: Orthopithonella