Pirumella spinosa
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spinosa (Keupp, 1979a, p.17–18, pl.1, fig.6) Lentin and Williams, 1993, p.521. Holotype: Keupp, 1979a, pl.1, fig.6. Originally Thoracosphaera, subsequently Pithonella, thirdly Obliquipithonella, fourthly (and now) Pirumella. Age: early Barremian.
Parent: Pirumella