Pirumella spinosa

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