Striatotheca geometrica Appendix A

geometrica (Deflandre, 1945a, p.64–65, pl.2, figs.2–5) Sarjeant and Stancliffe, 1994, p.46.  Holotype: Deflandre, 1945a, pl.2, fig.2.  Originally Hystrichosphaeridium geometricum, subsequently Veryhachium geometricum (Appendix A), thirdly Veryhachium trispinosum subsp. geometricum (combination not validly published, Appendix A), fourthly (and now) Striatotheca geometrica.  Age: Middle Silurian.

Parent: Striatotheca_Appendix A