Difference between revisions of "Baltisphaeridium circumscissum Appendix A"

Latest revision as of 00:45, 1 September 2015

circumscissum (Timofeev, 1959, p.53, pl.4, fig.9) Downie and Sarjeant, 1965, p.88.  Holotype: Timofeev, 1959, pl.4, fig.9.  Originally Hystrichosphaeridium, subsequently (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: Early Ordovician.