Baltisphaeridium diploporum (Eisenack, 1951, p.190-191, pl.2, fig.6) Downie and Sarjeant, 1965, p.89.
TYPE: Holotype: Eisenack, 1951, pl.2, fig.6. HISTORY: Originally Hystrichosphaeridium, subsequently Micrhystridium (combination not validly published, Appendix A), thirdly (and now) Baltisphaeridium. COMMENTS: 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).
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |