Hystrichosphaeridium microfurcatum

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"microfurcatum" Deunff, 1957, p.6, fig.2 — p.13; fig.3 — p.14.  Holotype: Deunff, 1957, fig.2 — p.13.  NOW Ammonidium (Appendix A).  Originally Hystrichosphaeridium, subsequently Veryhachium (combination not validly published, Appendix A), thirdly Baltisphaeridium (Appendix A), fourthly (and now) Ammonidium (Appendix A).  Age: Middle Devonian.

Parent: Hystrichosphaeridium