Striatotheca geometrica (Deflandre, 1945a, p.64-65, pl.2, figs.2-5) Sarjeant and Stancliffe, 1994, p.46.
TYPE: Holotype: Deflandre, 1945a, pl.2, fig.2. HISTORY: 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: Mid Silurian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |