Difference between revisions of "Hystrichosphaeridium aculeatum"

Revision as of 13:39, 2 December 2016

"aculeatum" Timofeev, 1959, p.54, pl.4, fig.21.  Holotype: Timofeev, 1959, pl.4, fig.21.  NOW Baltisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A).  Age: Early Ordovician.