Hystrichosphaeridium ohioense
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"ohioense" Winslow, 1962, p.77, pl.19, figs.1,22; pl.22, fig.9. Holotype: Winslow, 1962, pl.22, fig.9. NOW Gorgonisphaeridium (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Gorgonisphaeridium (Appendix A). Age: Late Devonian.
Parent: Hystrichosphaeridium