Difference between revisions of "Hystrichosphaeridium geometricum Deflandre 1945a"
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Latest revision as of 00:18, 1 September 2015
"geometricum" Deflandre, 1945a, p.64-65, pl.2, figs.2-5. Holotype: Deflandre, 1945a, pl.2, fig.2. Junior homonym: Hystrichosphaeridium geometricum Pastiels, 1948. NOW Striatotheca geometrica (Appendix A). Originally Hystrichosphaeridium geometricum, subsequently Veryhachium geometricum (Appendix A), thirdly Veryhachium trispinosum subsp. geometricum (combination not validly published; Appendix A), fourthly (and now) Striatotheca geometrica (Appendix A). Age: Mid Silurian.
Parent: Hystrichosphaeridium
