"Veryhachium trispinosum subsp. geometricum" (Deflandre, 1945a, p.64-65, pl.2, figs.2-5) Tynni, 1982, p.84.
TYPE: Holotype: Deflandre, 1945a, pl.2, fig.2. STATUS: Combination not validly published: basionym not fully referenced. HISTORY: NOW: Striatotheca geometrica (Appendix A). Originally Hystrichosphaeridium geometricum, subsequently Veryhachium geometricum (Appendix A), thirdly Veryhachium trispinosum subsp. geometricum (combination not validly published), fourthly (and now) Striatotheca geometrica (Appendix A). AGE: Mid Silurian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |