Gorgonisphaeridium lewisii Appendix A

lewisii (Deunff, 1954a, p.240, fig.3) Sarjeant and Vavrdova, 1997, p.24.  Holotype: Deunff, 1954a, fig.3.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Ammonidium (combination not validly published, Appendix A), fourthly Multiplicisphaeridium (Appendix A), fifthly (and now) Gorgonisphaeridium.  Age: Middle Devonian.

Parent: Gorgonisphaeridium_Appendix A