Difference between revisions of "Hystrichosphaeridium malum"

Latest revision as of 00:18, 1 September 2015

"malum" (Cramer, 1964, p.297, pl.1, figs.6,8,10; text-fig.19, nos.10-12) Andreeva, 1973, p.192.  Holotype: Cramer, 1964, pl.1, fig.8.  Combination not validly published: basionym not fully referenced.  NOW Rhacobrachion (Appendix A).  Originally Baltisphaeridium (Appendix A), subsequently Evittia Brito (Appendix A), thirdly Hystrichosphaeridium (combination not validly published), fourthly Multiplicisphaeridium (Appendix A), fifthly (and now) Rhacobrachion (Appendix A).  Age: Silurian (Ludlow).