"Hystrichosphaeridium microfurcatum" Deunff, 1957, p.6, fig.2 - p.13; fig.3 - p.14.
TYPE: Holotype: Deunff, 1957, fig.2 - p.13. HISTORY: 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: Mid Devonian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |