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Surculosphaeridium argentinense
From Fensome et al., 2019:
Surculosphaeridium ?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.
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Surculosphaeridium ?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.
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