Hystrichosphaeridium venustum
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"venustum" Sannemann, 1955, p.345, pl.5, fig.11; text-fig.15. Holotype: Sannemann, 1955, pl.5, fig.11. NOW Hapsidopalla (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Multiplicisphaeridium (Appendix A), fourthly (and now) Hapsidopalla (Appendix A). Age: Devonian (Late Givetian).
Parent: Hystrichosphaeridium