Surculosphaeridium argentinense

?argentinense (Pöthe de Baldis, 1986, p.172, pl.1, figs.1–2) Stover and Williams, 1995, p.102.  Holotype: Pöthe de Baldis, 1986, pl.1, fig.1.  Originally Areosphaeridium, subsequently (and now) Surculosphaeridium?.  Questionable assignment: Stover and Williams (1995, p.102).  Age: Santonian–Campanian.

Parent: Surculosphaeridium