Difference between revisions of "Baltisphaeridium diploporum Appendix A"

Latest revision as of 00:45, 1 September 2015

diploporum (Eisenack, 1951, p.190-191, pl.2, fig.6) Downie and Sarjeant, 1965, p.89.  Holotype: Eisenack, 1951, pl.2, fig.6.  Originally Hystrichosphaeridium, subsequently Micrhystridium (combination not validly published, Appendix A), thirdly (and now) Baltisphaeridium.  This combination was not validly published in Downie and Sarjeant (1963, p.90), since these authors did not fully reference the basionym.  Age: Ordovician (erratic).