Thoracosphaera spinosa Appendix B
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"spinosa" Keupp, 1979a, p.17–18, pl.1, fig.6. Holotype: Keupp, 1979a, pl.1, fig.6. NOW Pirumella. Originally Thoracosphaera, subsequently Pithonella, thirdly Obliquipithonella, fourthly (and now) Pirumella. Age: early Barremian.
Parent: Thoracosphaera_Appendix B