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Appendix A

Veryhachium geometricum

"Veryhachium geometricum" (Deflandre, 1945a, p.64-65, pl.2, figs.2-5) Stockmans and Willière, 1963, p.452.

TYPE: Holotype: Deflandre, 1945a, pl.2, fig.2.

HISTORY: NOW: Striatotheca geometrica (Appendix A). Originally Hystrichosphaeridium geometricum, subsequently Veryhachium geometricum, thirdly Veryhachium trispinosum subsp. geometricum (combination not validly published, Appendix A), fourthly (and now) Striatotheca geometrica (Appendix A).

COMMENTS: This combination was not validly published in Deunff (1954b, p.306), since that author did not fully reference the basionym or clearly use the name Veryhachium geometricum.

AGE: Mid Silurian.


Infraspecific taxa:


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DINOFLAJ (c) 1998