Veryhachium trispinosum subsp. geometricum Appendix A
From dinoflaj3
Revision as of 20:04, 21 December 2016 by Maintenance script (Talk | contribs)
"subsp. geometricum" (Deflandre, 1945a, p.64–65, pl.2, figs.2–5) Tynni, 1982, p.84. Holotype: Deflandre, 1945a, pl.2, fig.2. Combination not validly published: basionym not fully referenced. 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: Middle Silurian.
Parent: Veryhachium trispinosum_Appendix A