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Cleistosphaeridium brevibaculatum

From Fensome et al., 2019:
Cleistosphaeridium breibaculum Song Zhichen in Song Zhichen et al., 1985, p.31, pl.4, fig.10. Holotype: Song Zhichen et al., 1985, pl.4, fig.10. NOW Impletosphaeridium. Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium. Age: Cenozoic.

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