Difference between revisions of "Baltisphaeridium quadriradiatum Appendix A"

Revision as of 15:14, 2 December 2016

quadriradiatum (Timofeev, 1959, p.57, pl.4, fig.25) Downie and Sarjeant, 1965, p.95.  Holotype: Timofeev, 1959, pl.4, fig.25.  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.