HOME  Hierarchy  Table  Index  References

Appendix A

Ammonidium lewisii

"Ammonidium lewisii" (Deunff, 1954a, p.240, fig.3) T.R. Lister, 1970, p.49.

TYPE: Holotype: Deunff, 1954a, fig.3.

STATUS: Combination not validly published: T.R. Lister (1970, p.49) did not clearly use the name Ammonidium lewisii.

HISTORY: NOW: Gorgonisphaeridium? (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Ammonidium (combination not validly published), fourthly Multiplicisphaeridium (Appendix A), fifthly (and now) Gorgonisphaeridium? (Appendix A).

AGE: Mid Devonian.


Infraspecific taxa:


Go up one level.
DINOFLAJ (c) 1998