Baltisphaeridium apiculatum (Timofeev, 1959, p.52, pl.4, fig.3) Downie and Sarjeant, 1965, p.87.
TYPE: Holotype: Timofeev, 1959, pl.4, fig.3. HISTORY: Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium, thirdly Goniosphaeridium (combination not validly published, Appendix A). COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.89), since these authors did not fully reference the basionym. AGE: Early Ordovician.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |