Surculosphaeridium trunculum

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trunculum Davey, 1979b, p.559–560, pl.8, figs.6–9.  Holotype: Davey, 1979b, pl.8, fig.7; Fauconnier and Masure, 2004, pl.74, figs.8–10.  Age: Aptian–Albian.

Parent: Surculosphaeridium