Hystrichosphaeridium trisulcum
From dinoflaj3
Revision as of 15:58, 4 December 2016 by Maintenance script (Talk | contribs)
"trisulcum" Deunff, 1951, p.323, caption to text-fig.3. Name not validly published: no description. Originally Hystrichosphaeridium trisculum (name not validly published), subsequently Veryhachium trisulcum (name not validly published, Appendix A), thirdly Veryhachium trisulcum (Appendix A), fourthly Veryhachium trispinosum subsp. trisulcum (combination not validly published; Appendix A). Taxonomic senior synonym: Hystrichosphaeridium (now Veryhachium) trispinosum, according to Stancliffe and Sarjeant (1994, p.233). Age: Mid Ordovician.
Parent: Hystrichosphaeridium