Hystrichosphaeridium lewisii

"lewisii" Deunff, 1954a, p.240, fig.3.  Holotype: Deunff, 1954a, fig.3.  NOW Gorgonisphaeridium? (Appendix A).  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Ammonidium (combination not validly published; Appendix A), fourthly Multiplicisphaeridium (Appendix A), fifthly (and now) Gorgonisphaeridium? (Appendix A).  Age: Middle Devonian.

Parent: Hystrichosphaeridium