Hystrichosphaeridium tuberosum

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"tuberosum" Sannemann, 1955, p.345, pl.4, fig.17; text-fig.16.  Holotype: Sannemann, 1955, pl.4, fig.17.  NOW Baltisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A).  Age: Devonian (late Givetian).

Parent: Hystrichosphaeridium