Difference between revisions of "Hystrichosphaeridium arrectum"

Revision as of 13:39, 2 December 2016

"arrectum" Timofeev, 1959, p.53, pl.4, fig.8.  Holotype: Timofeev, 1959, pl.4, fig.8.  NOW Baltisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A).  Age: Early-Mid Ordovician.