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Cleistosphaeridium baculatum

From Fensome et al., 2019:
Cleistosphaeridium baculatum He Chengquan and Li Peng, 1981, p.62, pl.34, figs.21–22. Holotype: He Chengquan and Li Peng, 1981, pl.34, fig.21; Fauconnier and Masure, 2004, pl.4, fig.7. NOW Impletosphaeridium. Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium. Age: Late Oligocene.

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