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Appendix A

Deunffia monacantha

Deunffia monacantha (Deunff, 1951, p.323; text-fig.4) Downie, 1960, p.198.

TYPE: Holotype: Deunff, 1951, text-fig.4.

HISTORY: Originally Hystrichosphaeridium, subsequently Veryhachium (combination not validly published, Appendix A), thirdly (and now) Deunffia.

COMMENTS: Cramer and Diez (1979, p.47) considered this species to be a possible taxonomic junior synonym of Hystrichosphaeridium (now Veryhachium) trispinosum or Veryhachium trisulcum (Appendix A).

AGE: Mid Ordovician.


Infraspecific taxa:


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