Hystrichosphaeridium differtum

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"differtum" Sannemann, 1955, p.327, pl.4, fig.15; text-figs.5a-c.  Holotype: Sannemann, 1955, pl.4, fig.15.  NOW Baltisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A).  Age: Devonian (Late Givetian).

Parent: Hystrichosphaeridium