Striatotheca geometrica Appendix A
From dinoflaj3
Revision as of 20:04, 21 December 2016 by Maintenance script (Talk | contribs)
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